Gallbladder cancer takes the first place among malignant tumors of gallbladder, other than sarcoma, carcinoid tumor, primary malignant melanoma, giant cell adenocarcinoma and so on. A reasonable diet: it is one of the ways to prevent gallbladder cancer. Fish and seafood can help clear bile and dissolve stones, which can reduce the risk of gallbladder cancer. Vegetables and fruits rich in fiber, vitamin A and vitamin C: they are common foods to maintain the health of gallbladder. Especially onion vegetables have a certain effect on gallbladder cancer prevention, among which garlic and onion have a more obvious effect on gallbladder maintenance. Tea, especially green tea, can effectively press down the proliferation and dispersion of gallbladder cancer cells. A glass of milk every night or an egg at breakfast: it can promote the gallbladder to shorten and empty on time to reduce the residence time of bile in the gallbladder and strengthen the shortening function of the gallbladder. However, people who are suffering from gallbladder disease should pay attention to eat less such food, otherwise it may induce the acute occurrence of cholecystitis. Therefore, this point should be paid special attention in the prevention of gallbladder cancer.