1.Appropriate exercise can accelerate blood circulation, accelerate metabolism and promote detoxification, as well as bring people closer to nature and expand their chest, which are all beneficial to recovery. The following are the key points of walking: (1) Dress loosely. If you are old and weak, you can walk with a cane to ensure safety. (2) Walking should be calm and unhurried. Easy and relaxed, abandoning all distractions. (3) the step should be easy. Like a leisurely walk, so that the hundred veins are unblocked, internal and external coordination, in order to achieve the body Qi and blood calm. (4) Gradual and orderly progress. Measure the strength of the line, the time can be long or short, so that the shape of labor and not tired, do not make short of breath and panting. (5) walking time: one is the early morning walk, between the flowers and pines, it can be cool spirit and regulate blood. Second is to walk after eating, the ancients believed that: “after the meal food stop stomach, must walk slowly for hundreds of steps to disperse its gas to lose in the spleen, the stomach is easy to decay. Third is a walk before bed, can make the spirit of relaxation, promote sleep. Other times, you can walk, it is important to adhere to, long will benefit. The World Health Organization predicts that if people stop smoking, after 5 years, cancer in the world will be reduced by 1/3; secondly, do not abuse alcohol. Cigarettes and alcohol are extremely acidic and acidic substances. Long-term smokers and drinkers are very likely to lead to acidic body. 3.Don’t eat too much salty and spicy food, don’t eat overly hot, cold, expired and spoiled food; eat cancer prevention food and alkaline food with high alkaline content as appropriate for those who are old and weak or have certain disease genes, and keep a good mental state. 4. Have a good state of mind to cope with stress, combine work and rest, and do not overwork. It can be seen that stress is an important cause of cancer. According to Chinese medicine, stress leads to overwork and physical deficiency, thus causing a decline in immune function, endocrine disorders and metabolic disorders in the body, resulting in the deposition of acid in the body; stress can also lead to mental tension causing qi stagnation and blood stagnation and internal trapping of poisonous fire, etc. 5, strengthen physical exercise, enhance physical fitness. More exercise in the sun, more sweating can be acidic substances in the body with sweat.