So far there is no evidence that a certain type of food diet is associated with the recurrence or metastasis of breast cancer. Surgery is still one of the main treatments for breast cancer. Therefore, what to eat after breast cancer surgery must be of great concern to women. Dietary principles for breast cancer patients: easy to digest, high protein, high vitamin and low fat food can be used; foods that need to be avoided are: ① placenta and its products; ② health products of unknown composition. The best way to maintain normal weight after cancer surgery is to have a balanced diet. The diet should be balanced, diversified, not biased, not taboo, meat and vegetable, coarse and fine. The diet should be balanced, diversified, not biased, not taboo, with a good mix of meat and vegetables, coarse and fine. Breast cancer patients should avoid eating raw onion and garlic, pork, pumpkin, alcoholic wine, as well as spicy, fried, greasy, thick, thick, stale, moldy and other foods that can help fire and produce phlegm and hinder spleen movement. After breast cancer surgery, we can give products that can benefit qi and nourish blood, regulate qi and disperse knots to consolidate the effect of treatment and facilitate recovery. Such as yam powder, spinach, loofah, kelp, hawthorn, rose hips, etc. Diet after breast cancer surgery: When breast cancer is treated with radiotherapy, it is easy to consume yin and fluid, so it is appropriate to take sweet and cool nourishing food. For example, almond cream, loquat fruit, white pear, plum, lotus root, banana, olive, etc. When breast cancer is treated with chemotherapy, if there is gastrointestinal reaction and bone marrow suppression, foods that are good for the stomach and blood can be consumed, such as fresh ginger juice, fresh fruit juice, japonica rice, white lentils, black fungus, sunflower seeds, etc. After breast cancer surgery, in addition to dietary regimen, you should also pay attention to take health products containing selenium appropriately.