The diet after breast cancer surgery is as follows: 1. It is not recommended to eat fried foods: pickled foods, barbecued foods and high-fat and high-calorie foods have certain stimulating effects; 2. It is prohibited for patients to eat estrogenic drugs or foods: such as royal jelly and offal; 3. It is recommended to eat fresh vegetables, fruits, mixed grains, mushrooms and other foods with anti-cancer effects; 4. It is a kind of phytoestrogen, and at the same time, soy itself has certain anti-cancer effects, so it is recommended to eat appropriately.