Since the cause of rectal cancer is not completely clear, there is no special prevention method yet. The following six kinds of food can play a certain preventive role for intestinal cancer from the level of dietary therapy, so it is beneficial to eat more and prevent intestinal cancer from these six kinds of food. 1.Groundnut Groundnut, also known as sweet potato and sweet potato, contains more carotenoids, lysergic acid, plant fiber and dehydroepiandrosterone, which can prevent rectal cancer. 2.Pumpkin Pumpkin is rich in vitamin A, vitamin C, also contains calcium and fiber, tryptophan-P, etc. It can prevent obesity, diabetes, hyperlipidemia and hypercholesterolemia, and is a good food for cancer prevention. 3.Asparagus Asparagus contains selenium and plant fiber, which can be used to prevent many kinds of cancer. 4.Garlic Experiments have confirmed that allicin and allicin have a strong inhibitory effect on many cancer cells, and allicin can also block the synthesis of nitrosamines in the body. Garlic is rich in selenium and germanium, and germanium can activate the phagocytic function of macrophages. 5.Green tea According to extensive research at home and abroad, it is believed that tea, especially green tea, has a very obvious cancer prevention effect. Its main component is catechin compounds, green tea antioxidant components on a variety of carcinogens, including aflatoxin, benzo(a)pyrene, cigarette carcinogens, amino acid high-temperature cleavage products and other induced malignant transformation of cells have a significant inhibitory effect. Domestic reports have reported that drinking green tea twice a day, 3 grams each time, with 150 ml of boiling water tea will have a cancer prevention effect. 6, radish and carrot Agricultural proverb “eat radish in winter and eat ginger in summer, no need to run the pharmacy for a lifetime”. Radish contains a variety of enzymes that can eliminate the carcinogenic effect of nitrosamines; its lignin can stimulate the body’s immunity; the spicy taste of radish comes from mustard oil, which can stimulate intestinal peristalsis. Radish contains a lot of vitamin C. Carrots are also rich in carotenoids. So they have excellent anti-cancer effects.