After mastectomy, you should not eat spicy and stimulating foods, such as chili, onion, ginger, garlic, etc. Don’t eat high-fat and greasy foods, such as fried foods, fatty meats, etc., and you should not eat high-sugar foods, such as high-sugar drinks, fruit juices, etc. It is not recommended to eat deeply processed food, usually do not put too much salt in the cooking, try to low salt, low fat diet, usually eat more vegetables, fruits, all kinds of color vegetables, fruits can eat, such as dark green vegetables, rich in vitamins, fiber, etc., can eat moderate amount of high protein food, such as fish and shrimp, lean meat, eggs, etc., to help the wound healing. After surgery, pay attention to keep the wound clean and hygienic, do not wet or dirty the wound, exercise appropriately, try to keep a happy mood, do not stress too much, try to develop a good, regular life, work and rest habits.