In daily life, people often talk about “cancer”, but in fact, choosing a healthy lifestyle can prevent the occurrence of tumors, and it is advocated that people start from 4 aspects to keep away from cancer and have a healthy life. Popularize the general knowledge of cancer prevention Strengthen the publicity work of popularizing the general knowledge of cancer prevention, so that people can have a correct understanding of tumors, know the importance of early detection, early diagnosis and early treatment, understand the causes of tumors and cancer-causing factors, and grasp the early signs and warning signs of common tumors as well as their patterns of occurrence and development. For people in areas with high incidence of tumors and people with high risk of tumors, they should carry out organized and planned cancer prevention census, implement close monitoring, and guide the public to carry out regular self-examination. If any suspicious conditions are found, they should seek early medical treatment and educate the public to establish the concept of early prevention of cancer and early treatment of cancer. Yang Guobin, Department of Oncology and Hematology, Xiangyang Hospital of Traditional Chinese Medicine, changes lifestyle habits About 70% of cancer patients are related to poor lifestyle. Causes of cancer include: love of salty, smoked, pickled and barbecued food; smoking, alcoholism, home decoration pollution, and love of sulking. It is advocated that cancer prevention and health care should start from the family, from the self, and from now on. Eat more fresh fruits and vegetables, eat less or no pickled, smoked and barbecued food, do not smoke, drink alcohol in moderation, do more outdoor sports, establish good interpersonal relationships, create a scientific and civilized family environment, and stay up late to surf the Internet. Improve the surrounding environment Strengthen the monitoring of environmental hygiene and try to prevent the living and production environment such as water source, atmosphere and soil from being polluted; and do a good job of occupational labor protection for the workers who are exposed to toxic and harmful substances for a long period of time, especially those who are engaged in the industries of chemical industry, pharmaceutical industry, printing and dyeing industry, mining industry, tanning industry, and nuclear radiation industry, etc., and try to avoid the exposure to toxic and harmful substances when they work. Actively prevent and control precancerous lesions. Pre-cancerous lesions include white spots, ulcers, eruptions, fistulas, moles, nodules, keratosis, etc. of skin and mucous membranes; ulcers, polyps, inflammation, etc. of digestive tract; erosion, tearing, polyps, inflammation, etc. of uterine cervix; cystic hyperplasia of mammary glands, breast ductal papillomas, ovarian cysts, gravidarium, cryptorchid testis, encapsulated stoma, viral hepatitis, cirrhosis of liver, etc. All of these disorders should be prevented positively and treated at the earliest possible time. Enhance the resistance ability From the perspective of traditional Chinese medicine, cancer is the formation of poor qi and blood operation, stagnation of qi and blood for a long time. Clinically, it is often treated by clearing heat and removing toxins, resolving stagnation and breaking up knots, and then adding or subtracting prescriptions flexibly according to the rules of Chinese medicine’s diagnosis and treatment. There is a difference between prevention and treatment in terms of severity and urgency. The treatment of cancer is a matter of urgency if it is urgent to treat the symptoms, and the treatment of cancer is slow if it is slow to treat the root cause; prevention means preventing the disease from occurring in the first place. Chinese medicine has unique effects in the field of cancer prevention and treatment. Chinese medicine can improve the immunity of cancer patients: Ginseng is the first choice of Chinese medicine, and ginseng extract has been proved by physicochemical test to have inhibitory effect on all kinds of cancers in human body and reduce the incidence rate of cancers; six flavors of dihuang soup is the formula of Chinese medicine that nourishes yin and benefits the kidneys, which has been proved by clinic that it has obvious therapeutic effect on the epithelial hyperplasia of the esophagus (early stage of esophageal cancer). Others, such as Astragalus, Codonopsis, Atractylodes macrocephala and Poria, which nourish qi and strengthen the spleen; Radix Rehmanniae Praeparata, Radix Angelicae Sinensis, Colla Corii Asini and Radix Paeoniae Alba, which nourish yin and promote the production of fluids; Radix Rehmanniae Saposhnikoviae and Radix et Rhizoma Ophiopogonis, which nourish yin and produce fluids, are able to regulate qi, blood, yin and yang, and make them work in balance and stability.