First, soybean
Although soybean is so small, it is very nutritious. What's more, it contains bioflavonolds, which can prevent cancer cells from damaging the neighboring healthy cells, so as to avoid the formation of tumors. It is mainly used to combat breast cancer. The most convenient soybean product should be bean curd. As for other beans, such as black bean, red bean, etc., they can help keep the intestines and stomach unipeded, remove the toxins from the body, so as to achieve the anti-cancer effect.

Second, tomato
Tomato contains lycopene, which can reduce the risk of malignant tumor, and can effectively resist against stomach cancer, lung cancer and testicular cancer. Eating raw tomato can help the body absorb a large amount of vitamin C. But if you want to absorb the lycopene, the cooked tomato will bring better effect, because raw tomato is not easy to release the fat-soluble lycopene, while the cooked tomato can be more easily absorbed by the body.

Third, green tea
Tea leaves contain tea polyphenol, which have effect. The anti-cancer effect of tea polyphenol, is that it can stop the division of the cancer cells in their early formation, and slow down the diffusion rate. Study found out that drinking more than ten cups of green tea every day can reduce the morbidity of cancer. What's more, the antioxidant effect of green tea is 20 times more than vitamin E.

Fourth, wheat
After having examined 20 kinds of cancer, the researchers found out that people who like to eat wheat products such as bread and oatmeal, their morbidity of cancer is 1/3 of other people. Wheat contains a lot of fiber, which is beneficial to the digestive system. It can drain away the toxins in the body, so as to play the detoxicating effect.

Fifth, green vegetables
Green vegetables contain a lot of vitamin A and C. It has an antioxidant effect, which can strengthen the healthy cells, and resist against the invasion of the cancer cells. Women who eat spinach two or more times every week have a lower incidence of breast cancer. Onion contains a large number of trace elements, which can enhance human immunity. Garlic has a sterilization effect. The people from Shandong province of China like to eat garlic, so they have the lowest incidence of cancer. Seaweed food contains a lot of minerals such as calcium, which can transform the organic matters in the body into non-toxic substances, so as to play the function of cleaning the blood.