1.Change your diet Eat less high-fat food, meat, animal fat, fried food, etc. 2.Eat more fruits and vegetables Eat more fruits and vegetables and grains, natural high-fiber foods, almost all plant-based foods. The rougher the food, the more you can reduce the absorption of heat in the gut. Normally, you should replace refined grain white rice, white flour and white bread with germ rice, grain rice and whole wheat bread; replace meat with soybeans, beans, tofu and other soy products, and have refreshing, oil-free vegetables at meals to help cleanse the intestines. 3, avoid processed foods Avoid high-calorie concentrated processed foods, that is, too oily, too sweet, too salty refined processed foods. 4, more exercise more exercise, usually should be early in the morning or evening to do an hour of exercise, exercise can promote intestinal peristalsis, if there is no time to exercise, should also try to walk more, weekdays should be more walking. You can try to park your car at a distance and walk to your destination, or try to avoid taking the elevator and take the stairs instead, so that you can get the opportunity to do exercise. 5.Regular checkups Prevention is better than cure. Regular checkups will enable early detection of polyps hidden in the colon or rectum, and it takes 10 years for polyps to become malignant tumors. 6, drink more water At least eight glasses of water a day (2500ml), preferably boiled water and mineral water. Soup and tea can also be, but does not include strong tea, coffee, fruit juice, soft drinks and any other natural or unnatural drinks. Water can reduce hunger, promote waste elimination, and help defecate. 7, uniform intake of nutrition Eat a variety of different types of food, such as grains, vegetables, fruits, beans, eggs, milk, fats and oils to provide adequate nutrition to facilitate the normal metabolism of the body.