The secret of cancer prevention is very simple, which is to eat alkaline food to prevent the accumulation of acidic waste, because the acidified body fluid environment is the fertile soil for normal cell cancer, adjusting the acid-base balance of body fluid is an effective way to prevent cancer. 1, develop good living habits, quit smoking and limit alcohol. Smoking, the World Health Organization predicts that if people no longer smoke, 5 years later, the world’s cancer will be reduced by 1/3; secondly, do not abuse alcohol. Smoking and alcohol are extremely acidic acidic substances, long-term smoking and drinking people, very easy to lead to acidic body. 2, do not eat too much salty and spicy food, do not eat too hot, too cold, expired and spoiled food The old and weak or those who have certain disease genes should eat some anti-cancer food and alkaline food with high alkaline content as appropriate, and maintain a good mental state. 3.Have a good attitude to cope with pressure, combine work and rest, and don’t be overworked. Stress is an important cause of cancer, and Chinese medicine believes that stress leads to overwork and body weakness, thus causing a decline in immune function, endocrine imbalance, and metabolic disorders in the body, which leads to the deposition of acidic substances in the body; stress can also lead to mental tension causing stagnation of qi, stagnation of blood, and toxicity of fire trapped inside the body, and so on. 4, strengthen the physical exercise to enhance physical fitness, more exercise in the sun, more sweating can be the body of acidic substances with sweat out of the body, to avoid the formation of acidic body.