The breast band should be worn for about 5-10 days after breast cancer surgery in general, but it should be analyzed according to the situation of wound healing and drainage. Breast cancer is a phenomenon in which breast epithelial cells proliferate out of control under the action of many kinds of cancer-causing factors, and in the clinic, it mostly manifests the symptoms of nipple overflow, abnormal nipple or areola, breast skin abnormality, and breast lump, etc. Surgery, chemotherapy, radiotherapy and other methods are mostly used for comprehensive treatment. Breast band after breast cancer surgery is mainly to reduce bleeding from surgical wounds, prevent fluid accumulation, and need to be analyzed according to the healing of drainage wounds, if the situation is better, you need to wear 4-5 days, and if the drainage, wound healing is not good, you need to wear about 10 days. It is recommended to maintain a good state of mind, abnormalities in a timely manner to the hospital for consultation.