It is reported that garlic is a good immune stimulant that can improve the immune function of the body and has the effect of blocking the synthesis of carcinogenic nitrosamines in the human body, therefore, using garlic as cancer prevention food, how to consume it is more beneficial for cancer prevention and disease prevention? Research has shown that: to be used as a disease prevention, it is better to eat raw, about 10 grams per day (about 4 cloves). The effect of cancer prevention is from strong to weak: fresh garlic, boiled garlic, dehydrated garlic and vinegar garlic. Yu Jiangyin, Department of Traditional Chinese Medicine, Affiliated Hospital of Chifeng College