Malignant tumors take the second place in rural areas among the three major mortality rates in China, and the first place in urban areas, which seriously threaten people’s health. While we study the prevention and treatment of malignant tumors, we are also discussing the nutrition of tumor patients, because diet and nutrition are very important to the treatment and recovery of cancer patients. Whether it is surgery, radiotherapy, chemotherapy, Chinese herbal medicine, biological response modifier or other new therapies, they all need the cooperation of diet and nutrition in order to receive the effect of food therapy, which in turn is beneficial to the recovery of tumor patients. In the process of clinical treatment, we found that cancer patients often lose their appetite and eat less due to fear, irritability, depression and the stimulation of radiotherapy and chemotherapy, resulting in insufficient intake of calories, proteins and vitamins, which leads to rapid weight loss and seriously affects the resistance to diseases. Therefore, when preparing food for patients, some basic principles should be noted: 1, daily protein should be maintained at 1 gram per kilogram of body weight per day that is sufficient, the total daily amount is not higher than 90 grams. 2, low fat and low cholesterol, preferably using a mixture of animal and vegetable oils. 3.Eat more fresh vegetables and fruits with high vitamin C. Eat more foods with anti-cancer effects: mushrooms, garlic, onions, silver fungus, asparagus and cruciferous vegetables. 4.Supplement vitamins. In order to prevent cancer, daily intake of vitamin A should be at least 25,000 international units, 300 mg of vitamin E and 2,500 mg of vitamin C. 5.Pay attention to the cooking methods and make colorful and tasty food according to the patient’s preference to increase the patient’s appetite. Let patients eat more to maintain good nutritional status, enhance patients’ responsiveness to treatment and shorten recovery period. During radiotherapy and chemotherapy, tumor patients are prone to dry mouth, sore throat, toothache, constipation, abdominal distension, lack of food and drink, nausea, vomiting, leukocyte reduction, etc. These side effects can also be relieved by dietary adjustment. During the treatment period, the diet should be light, and you can use some foods that nourish Yin and produce fluid, such as watermelon juice, pear, lotus root juice, caper juice, or make lotus root juice and honey dew: take some fresh lotus root, wash and squeeze 100 ml of juice, then add 20 grams of sugar to mix, and take it once in the morning and once in the evening for ten days after radiation therapy. There is also mung bean and lily soup, etc. You can also eat qi and blood nourishing dates, wolfberry, yam, black sesame, peanuts and medicinal porridge, etc. for consumption. During the treatment period, spicy, fried, moldy, smoked and salt-pickled foods should be avoided. Do not abuse alcohol, do not smoke, and keep a happy mood. Also give the reader a jingle about diet, I hope it will help the reader. “Light and easy to digest, regular avoid spicy, low fat, low sugar, high protein, food do not fry, do not drink coffee and tea (strong), avoid smoking and alcohol, do not get angry, moderate exercise body benefits.” Here also advocate three points in particular: 1, regardless of the main food and side dishes are advocated to eat more fresh, less pickled processed, eat more fiber, less smoke and fire baked. 2, advocate eating more beans, wheat, vegetables, such as seeds grown out of the buds and seedlings. Seeds contain more vegetable protein and a moderate amount of plant fat, and contains a variety of trace elements; buds and seedlings are rich in vitamins and minerals. 3. Many seafood such as kelp, nori, wakame, seaweed, har gow, oyster, etc. are also suitable for cancer patients. In addition, we have summarized and verified some therapeutic methods, which are introduced for your reference: 1. Ginseng and lotus soup 10 grams of white ginseng (6 grams of American ginseng), 20 grams of lotus meat, 10 grams of rock sugar. Method: Put ginseng and lotus seeds in a bowl, add cool boiling water and soak, then add rock sugar, put it in a steamer and stew it under water. Efficacy and application: replenish the qi and strengthen the spleen, used for post-illness weakness, weakness, spontaneous sweating, diarrhea patients. 2, cinnamon and ginseng honey paste (get with the herb) 120 grams of cinnamon meat, 120 grams of American ginseng, 60 grams of sage. How to use: first soaked in an appropriate amount of water and then heated and decocted, boiled 3 times, 20 minutes each time, concentrated on a gentle fire, boiled into a paste with honey 1 times, then boiled and cooled and bottled. Efficacy and application: nourishing blood, clearing heat and promoting lung, used for body compassion and emaciation, dry cough, little phlegm, tiredness and weakness, etc. Each time 1 tablespoon, boiling water, 3 times a day. 3, five rice porridge sorghum rice (or black rice), barley, lotus seed meat, gravy rice, raw yam; Usage: research, plus jujube cooking porridge, 30-50 grams each time plus 5 jujube, 1-2 times a day, can be taken for a long time, after the stool can be adjusted to add black sesame seeds continue to take, like sweet food can add sugar to taste. Efficacy and application: strengthen the spleen and kidney, for spleen and kidney Yang deficiency, diarrhea, weakness, shortness of breath, poor sleep, dreamy and other Yang deficiency patients. 4, stewed pig’s feet with green onion (behind the elbow side) pig’s feet 4, 50 grams of green onion. Usage: Add seasonings, boil on a high flame, stew slowly on a low flame, cook and eat together. Efficacy and application: tonic blood, reduce swelling, treatment of anemia, swelling and other diseases. 5, angelica stewed hen angelica 15 grams, 15 grams of ginseng, astragalus 30 grams, hen 1 (1000 grams), ginger, onion, wine, salt, etc.. Usage: Angelica sinensis, Radix et Rhizoma Ginseng, Astragali into the belly of the hen, add seasonings in a casserole and boil on a gentle fire. Efficacy and application: nourish the blood, fitness and dispel diseases, for patients with anemia, slow liver, etc. 6, black fungus (or white fungus) black fungus 15g, 15 dates, ice sugar appropriate amount. Usage: Wash the fungus and jujube, put them in a small bowl, add rock sugar, appropriate amount of water, put them in a steamer and steam for 60 minutes for food. Efficacy and application: It has blood tonic function and is used for deficiency of yin and blood, pale face, body tiredness and anemia. 7, four kernel chicken seed soup white nuts, sweet almonds, walnuts, peanut kernels. Usage: grind equal amounts, 20 grams each time with a bowl of water, boiled and beaten into an egg, add the right amount of rock sugar every morning to serve once. Efficacy and application: strengthen the spleen and kidney, for dry cough without phlegm, constipation patients. 8, winter worm, summer grass chicken (Materia Medica) hen 1, winter worm, summer grass 5-10 grams, into the belly of the chicken, add onion and ginger salt, slow stew over low heat, the chicken rotten can be eaten. Efficacy and application: tonic deficiency to help Yang, for cold limbs, spontaneous sweating, physical deficiency patients. 9, two mothers of the yuan fish (women’s recipe) yuan fish 1, slaughtered to remove the viscera, remove the head, wash and cut into pieces, add 5 grams each of maidenhair, Zhi Mu, Qian Hu, almonds, add a little salt, add water over, steam for 60 minutes. Efficacy and application: has the effect of nourishing Yin and reducing fever, suitable for long-term low-heat people. 10, lily porridge (dietary supplements) fresh lily 30 grams, 50 grams of round-grained rice, icing sugar appropriate amount. Usage: cooked, cooked before adding lily and then cooked, cooked and rotten can be eaten (a thousand lilies and more rice cooked together), breakfast consumption. Efficacy and application: moisten the lung to stop cough, clear the heart and calm the mind, used for lung yin deficiency, coughing and spitting blood, asthma and weakness, weakness of temper, weakness and irritability. The above dietary treatment methods patients can choose according to the specific circumstances (the best choice before consulting a doctor, evidence-based treatment), do not blindly, excessive consumption. It is believed that a good diet with treatment can help cancer patients recover as soon as possible.