1. Eat fresh Eating more fresh food helps prevent cancer. World Cancer Research Foundation found that eating more fresh fruits and vegetables can reduce the chance of many cancers such as throat cancer, laryngeal cancer and esophageal cancer. People should eat at least 400 grams of different kinds of fresh fruits and vegetables daily, preferably including red, green, yellow and purple colors. Don’t eat food that has been put in mold for a long time. Moldy peanuts, soybeans, rice and noodles can produce strong carcinogen aflatoxin, which can induce liver cancer, stomach cancer and so on. In addition, try not to eat overnight food, placed for more than 8 to 10 hours of the dish often contains nitrite, the more times the content of heating more. 2.Eating light High-salt diet has a close relationship with the occurrence of stomach cancer. It is recommended that each person should not eat more than 5 grams of salt per day. When cooking, we should also pay attention to the presence of hidden salt, such as MSG, soy sauce, sauces and seasoning packets, which also contain salt and need to control the amount. In addition to eating less salt, a light diet should also control the amount of meat eaten. The National Academy of Sciences reports that fat is most closely related to cancer, especially breast, colorectal and prostate cancers. Eat as little processed meat products as possible. The lack of dietary fiber in food is one of the important reasons for the increase of cancer patients in recent years, so it is better for people to deliberately eat some coarse. After entering the body, dietary fiber can stimulate gastrointestinal peristalsis, promote bowel movement, reduce intestinal absorption of carcinogens and prevent colorectal cancer. 4.Eat bitter Lemon bitters are effective in enhancing immunity, which can help tumor patients enhance resistance. Other natural bitter substances in food also have certain health effects. 5.Eat spicy Garlic spicy elements can also inhibit the growth of cancer cells. The onion is very suitable to be eaten cold or as a condiment. Note that they should not be fried or deep-fried for too long.