After gallstone surgery, if the patient’s gastrointestinal function has returned to normal and he or she has had normal exhaustion and defecation, he or she can eat fish appropriately. Because fish is a high-protein, low-fat food, it can be used as a diet for patients after gallstone surgery. However, if the gastrointestinal function has not recovered, early on it is recommended that thin porridge and rice soup with vegetables and fruits should be the main food, and fish should not be eaten first to avoid causing bloating and diarrhea. When eating fish after gallstone surgery patients should pay attention to the choice of fish and cooking methods: 1. Fish selection: the vast majority of fish fat content is relatively low, can be eaten in moderation. However, some of the fish with high fat content, such as scaled fish, eel, sea carp, etc. should be minimized. At the same time, we should pay attention to the choice of fresh fish, higher nutrition. And fish skin, fish belly or boiled for a long time in the content of fat in the fish soup is higher, it is recommended to eat less; 2, cooking methods: try to steamed, boiled, stewed, avoid greasy, fried, spicy, stimulating way to avoid difficult to digest, stimulate the digestive system, affect disease recovery or make gallstones recur. In addition, the diet of patients after gallstones surgery should be regular and quantitative, avoid overeating. Eat more high-fiber staple foods and vegetables on a daily basis, and eat less high-cholesterol foods such as animal offal. Pay attention to maintain good living habits and avoid staying up late. Face life positively and optimistically, relieve tension and anxiety. Review regularly and have medical checkups on time.