Cancer is caused by the long-term combination of many factors, and long-term unhealthy lifestyles can cause the occurrence of cancer. People’s unhealthy lifestyles can be summarized into the following four types: 1. Irrational diet: With the improvement of living standard, people begin to step into the misunderstanding of simply pursuing taste enjoyment. Eating whatever you want or love is a typical unhealthy way of life. 2.Smoking: Smoking is a kind of bad behavior of human beings, which can constitute a variety of health hazards, not only lead to cancer, but also increase the incidence of cardiovascular and cerebrovascular diseases. 3.Psychological tension and stress: The relationship between psychosocial factors and cancer is a new field of research. Psychological factors refer to the emotional reactions that people show in the context of the environment such as work, life and disease. Studies have shown that various types of psychological factors have a very important role in the occurrence, development and metastasis of cancer. 4. Lack of exercise: With the development of science and technology, heavy physical labor is gradually replaced by mental labor. The invention of electronic computers and television has almost changed the way of work and life of a generation. Nowadays, people have cars to go out, elevators to go upstairs, modernized offices, socialized housework, and even modern people are walking less and less. So we have to appeal: life is exercise. If people do not smoke, choose a reasonable diet, engage in moderate physical activity and minimize exposure to adverse environmental factors, it is possible to avoid the occurrence of cancer to a large extent. Studies have shown that dietary changes can prevent 50% of breast cancers, 75% of stomach cancers and 75% of colorectal cancers. As a reminder, scientific diet, no smoking, less alcohol consumption, keeping a happy mood and insisting on physical exercise are the most realistic and economical ways to prevent the occurrence of cancer. Those patients who already have tumors, adjusting their mindset and arranging their diet reasonably are also helpful to cancer treatment. There are patients who worry that rich nutrition will provide more nutrients for tumor growth, so they advocate “starvation therapy”, trying to “starve” tumor cells to death, which is not based on science. The reason is that most of the cancer patients have different degrees of difficulty in eating before and after tumor treatment, coupled with the damage to human body from surgery, radiation therapy and chemotherapy, cancer patients often suffer from a certain degree of deficiency of vital energy and nutrition during the disease process, especially the lack of protein and various vitamins. Malnutrition is extremely detrimental to patient’s recovery and can lead to low immune function and affect the implementation of anti-tumor treatment means. Healthy people need nutrition, and cancer patients need to enhance nutrition even more. The protein and calorie needs of cancer patients are 25% to 50% higher than those of normal people. Good nutrition can enhance cancer patients’ anti-cancer ability, reduce infectious complications and prolong survival. Therefore, tumor patients should have a reasonable diet structure and should not restrict their diet. They should take the initiative to supplement rich protein, sugar, fat and vitamins, etc. They can eat more fish, lean meat, eggs, etc. as appropriate. In conclusion, proper tumor diet therapy can improve immunity and facilitate treatment. Many cancer patients often raise such a question in their treatment-abstain from eating. For a long time, folk people have the saying of “hairy food” and “taboo” on food, if certain food is designated as “hairy food”, it will be “taboo”. “and do not eat. The “hairy food” “taboo” is an important element of Chinese medicine, but there is no unified list of “hairy food” for tumors in various schools of Chinese medicine, and in different regions of China, different ethnic groups on the “hairy food” understanding. “However, there is no unified list of “hairy substances” for tumors among different schools of Chinese medicine, and there are great differences in the understanding of “hairy substances” among different regions and ethnic groups in China. If the above “hairy items” are true, then there are very few things that cancer patients can eat. Chinese medicine does have the saying of “taboo”, which means that in order to avoid the harm caused by improper diet to body and disease recovery, patients should have taboos in diet. There is a lack of unanimity in the recognition of foods that “help the evil to develop”. And “taboo” is not only for tumor patients, no matter what diseases, there are always some foods to be taboo in the treatment process. The “taboo” in Chinese medicine does not mean that tumor patients cannot eat chicken, fish, shrimp, seafood and other foods, as the folklore says, but emphasizes the selection of food according to the evidence and the taboo of food according to the evidence, that is, to pay attention to the taboo of diet according to the specific conditions of patients. For example, snapper can be eaten by patients with internal heat of yin deficiency, while it is not suitable for those with spleen and stomach yang deficiency. Most of the food we eat in our daily lives is neutral, but there are some foods that are hot or cold, such as the warm category: mutton, dog, eel, leek, garlic, ginger, chili, cinnamon, lychee, orange, etc.; the cold category: snapper, mussels, duck, water chestnuts, lotus root, cucumber, watermelon, pear, mung beans, etc.; stagnant gas category: beans, pumpkin, yams, glutinous rice, etc.; easy to produce phlegm and dampness are The following are the foods that tend to produce phlegm and dampness: oily and greasy foods. For example, do not eat moldy food, do not drink too much alcohol, do not eat too much smoked and barbecued food, from the perspective of modern science suggests that these foods are prone to cancer. According to Chinese medicine, a normal human body should be balanced with yin and yang, and harmonized with qi and blood. However, this balance and harmony is relative, and in fact, each person has its own bias. Some people have a strong yang qi, the body is on the hot side, usually afraid of heat and greedy for cold, active and active, wearing less clothes than normal people. Some people have more yin energy, the body is on the cold side, usually like warmth and fear of cold, quiet and less active, wear more clothes than normal people, this is the innate differences in physical. And after the disease, due to the invasion of evil, the body imbalance of yin and yang, Qi and blood imbalance, the formation of a variety of complex symptoms, the nature of the disease is more hot and cold deficiency of the real. Therefore, clinically, Chinese medicine practitioners use various prescriptions with different medicinal properties to correct bias and treat diseases. Chinese medicine also believes that people’s diet endowed with the yin and yang of heaven and earth and born, long to nourish the five organs, nourish the qi and blood, although most of the taste is calm, but in fact also has the properties of hot and cold yin and yang, the obvious part, or can help yang move fire, hurt yin and deplete fluid, or can help yin to produce cold, hurt yang and damage the spleen. The former, such as venison, mutton, eels, chili peppers, fried goods, the latter, such as crabs, oysters, pears, cold drinks, etc.. For normal people, after eating these partial food, due to the self-regulation function of the internal organs, generally no big obstacle, but for patients, after both disease, the internal organs of the self-regulation function is poor, if then eat unfavorable food, such as Yang Sheng Yin deficiency of patients with heat, eat hot food, Yin Sheng Yang deficiency of patients with cold food, it may aggravate the disease. Moreover, some foods are unique in nature and can move the wind and produce phlegm, financing the evil. Therefore, there is a clinical requirement of “avoiding mouth” in Chinese medicine. In terms of tumor patients, the specific foods that should be avoided in daily diet are as follows: 1. Foods that are traditionally believed to “help the development of evil”. Chinese medicine has the term “hairy food”, which refers to food that can induce certain physiological or pathological changes or accelerate the development of disease after eating. There are three categories of hairy food in Chinese medicine, one is the food that can make milk such as crucian carp, pig’s feet; the second is the food that can cause rubella and other lesions after eating, that is, modern medicine said that can cause allergic reactions to foreign proteins, such as fish, shrimp and seafood, to be exact, this part is only for a specific group of people with allergies. Thirdly, foods that can “help evil to develop”, such as rooster, old goose, pork head. It is this latter part that tumor patients should avoid, i.e. foods that are traditionally considered to “help the onset of evil”. The lack of a clear extension of the understanding of foods that “help the development of evil” in Chinese medicine and the lack of a recognized definition of food varieties, as well as the belief that some patients would rather believe in them than not, has led to the expansion of the contraindications for some patients in the actual operation. It is appropriate to vary from person to person, not as a rule, such as pork, beef, carp, bream, fish, scallops, sea cucumber, light vegetables, shrimp, hen, eggs, etc., are allowed to eat. The vegetables, generally not forbidden, onion, ginger, garlic, although hot, as a seasoning, the amount of less, unless the yin deficiency of heavy injury, also do not have to be contraindicated. The first category of the second category of “hair”, as long as it is not a specific group of people, it is not necessary to avoid the mouth. 2, and the nature of the disease does not match the food. As mentioned above, the Yang and Yin deficiency of patients with heat, avoid eating hot food; Yin and Yang deficiency of patients with cold, avoid eating cold food, so as not to aggravate the disease. Common hot foods are venison, mutton, eels, chili peppers, ginger, wine, cinnamon garden, fried goods, and warm ones are vegetables, garlic, garlic seedlings, chrysanthemum, oranges, red dates. Common cold foods are crabs, oysters, snake meat, pears, cold drinks, etc. 3, and the individual does not match the food. For example, high blood sugar avoid sweet food, high blood fat avoid greasy food, high uric acid avoid high purine food, etc. After the surgery of esophagogastric tumor, there is often acid reflux, so any diet that can stimulate high secretion of gastric acid should be forbidden, and this situation often varies from person to person, some people eat more acid in pasta, some people eat more acid in rice, some people eat more acid in tofu milk, so the specific need depends on each person’s situation. 4, other. In addition to the above dietary contraindications, patients also need to prohibit alcohol, avoid smoking. Forbidden to eat spicy and stimulating food. Forbidden to eat rough, too hard, too hot food. Forbid to eat moldy food, less barbecue, smoked and pickled food, high nitrite food, etc. For cancer patients, the taboos need to be different from person to person, from disease to disease, and from method to method. 1.Different from person to person: It mainly refers to the selection of food according to the cold and hot properties of the disease. For example, for patients with nasopharyngeal carcinoma whose initial diagnosis shows that they have heat disorder or general cancer fever, hot foods such as mutton, dog meat, venison, eel and chili are not to be eaten. ” “dog meat: salty, sour, warm” and other records, hot body patients obviously can not eat. The evidence of cold patients, manifested as cold, cold limbs, light mouth not thirsty, urine clear and long, loose stools, light fat tongue, white slippery moss, sunken pulse, such as chemotherapy patients with spleen and kidney Yang deficiency, watermelon, pear, persimmon, duck, goose and other cold cold products such as cold accumulation can not eat, such as the “Compendium of Materia Medica” has “pear: smell sweet, slightly sour, cold. ” The evidence of deficiency of qi and blood patients, manifested as weakness, pale, light tongue, thin and weak pulse. This symptom often appears in the entity or blood tumor after chemotherapy, white blood cells and red blood cells are low, in addition to start the blood things such as chili, pepper or avoid eating cold food, such as watermelon, winter melon, etc.. Patients with evidence of damp-heat congestion, manifesting as chest tightness, thick yellow phlegm, thick yellow coating, slippery pulse, etc., such as lung cancer patients manifesting as phlegm-heat stagnant lung, syrup, glutinous rice, pork and other damp-heat products, as well as pepper, mutton, dog meat and other heat-generating substances are contraindicated. Crab, goose, carp and other wind-generating substances are tonic in nature, which may be harmful to dampness. If the patient has a deficiency of spleen and stomach Yang, he should avoid eating sticky, cold, slippery and greasy products, such as silver fungus, sunflower seeds and rice cakes; if the patient has a deficiency of spleen and stomach Yin, he should eat less fried dried fruits, raw onions, chili peppers and peppers. In addition to the above-mentioned types, there are other types such as qi stagnation type, blood stasis type and so on. Chinese medicine theory is generally based on the nature of the disease and the relationship between the four gases and five tastes of food as the principle of avoidance of food, such a principle of avoidance of food is to be learned. For example, stomach cancer patients should not eat smoked foods and stimulating seasonings; esophageal cancer patients should not eat overheated drinks and wine; liver cancer patients should not eat hard, fried, stimulating foods and wine; breast cancer patients should not eat stimulating foods, saturated animal fats and wine; intestinal cancer patients should not eat alcohol, processed meat and saturated animal fats; lung cancer patients should not eat tobacco, alcohol and stimulating foods; prostate cancer patients should not eat foods containing Prostate cancer patients should not eat food containing androgens such as seahorse, antler, leek and leek flower; gallbladder cancer patients should not eat high fat, wine, fried food, and avoid overeating. 3.Varies according to treatment methods and drugs used: It varies according to different treatment methods, drugs and stages of cancer patients. For example, when taking medicine for strengthening the spleen and stomach, warming the middle and tonifying the qi, one should avoid eating cold and slippery products; when taking the tonic medicine ginseng, one should avoid eating radish, lycopodium, etc. During this period, TCM doctors will suggest foods to be avoided and foods to be eaten according to the different stages of treatment. This is strictly speaking a certain stage of treatment, after a certain stage may not need to avoid food, so the avoidance of food is a stage, individualized, not absolute. Diet and health are closely related to the recovery of diseases, especially for chronic diseases and tumor patients, they should scientifically arrange the dietary knowledge suitable for their conditions. In general, tumor patients should master the following five nutrition principles: 1. Pay attention to dietary balance. Dietary balance is the basis for maintaining the immunity of the body, and common food is the best source of nutrients for the body. 2.Diversification and rationalization of food. To ensure the intake of balanced and comprehensive nutrition, daily food diversification is necessary, i.e., the proportion of the five major food groups according to the Chinese residents’ balanced diet pagoda. 3.Eat small amounts and multiple meals, and eat light and easily digestible food. For patients after radiotherapy, chemotherapy and surgery, due to the weakened digestive function, increasing the number of meals can achieve the purpose of reducing the burden on the digestive tract and increasing food intake at the same time. 4, should not be too much taboo. Avoidance of food should be decided according to the condition, disease and the individual characteristics of different patients, not to advocate too much of the taboo. Generally, patients need to restrict or forbid foods such as fried, smoked and barbecued, spicy and stimulating, greasy and raw foods. 5.Choose more foods with anti-cancer effect. Eat more fruits and vegetables (such as asparagus, carrots, spinach, tomatoes, potatoes, kiwi, etc.), soybeans and their products, edible mushrooms, nuts, seaweed, barley, milk, eggs and other foods. In short, dietary contraindications should vary from person to person, and should not be implemented blindly. It is recommended that patients should follow the general principles of avoidance of food and nutrition. Malignant tumor is a consumptive disease, so it is important to strengthen nutrition and balanced diet for the recovery of tumor patients. Malnutrition is extremely detrimental to the recovery of patients, healthy people need nutrition, and tumor patients need to strengthen nutrition. Since cancer is originally a “wasting disease”, it should get more nutrition, but the result is malnutrition for the sake of avoiding “hairy food”. Imagine, if the patient does not have good nutrition as the foundation of disease fighting, how can he improve his immunity, inhibit tumor cell reproduction and recover his health? Cancer is a disease that is prone to recurrence. After a large number of patients with recurrence of cancer, it is found that there is no definite correlation between any kind of food and the deterioration of cancer, so most scholars think that the saying of “hairy food” has no scientific basis.