Patients with gallstones must pay attention to their diet, 1. They should not eat foods with high cholesterol or they may aggravate the gallstones, such as animal offal, egg yolk, chocolate, fatty meat, etc. 2. They should not eat fried, high-sugar foods, such as fried chicken legs, burgers, cookies, etc. 3. They should also quit smoking and alcohol, because smoking, alcohol, strong tea and coffee will affect the discharge of bile and make gallstones heavier and heavier. 4. Patients should have a low-fat diet and avoid spicy, stimulating and cold foods. They should also avoid eating too much at one time, which may lead to gallbladder stone impaction, causing acute cholecystitis or cholangitis or even inducing more serious pancreatitis. Patients with gallbladder stones who have frequent inflammation are advised to undergo early surgery.