Men need to wear a compression garment for about 2 weeks – 1 month after mastectomy surgery. Men need to wear medical compression garments after mastectomy surgery, and patients should choose the right size for their chest size. The time to wear the elastic garment is related to the patient’s recovery. If the patient recovers well, it is enough to wear the garment for about 2 weeks, and if the patient recovers poorly, it is necessary to wear the garment for about 1 month. After mastectomy, local numbness, bruising, and edema may occur, and wearing elastic garments at this time may cause pain. With the recovery of edema and other symptoms, the elastic garment may loosen, a slight loosening is normal, when the loosening is more serious, you need to go to the hospital to replace the elastic garment. Male patients should pay attention to care after mastectomy surgery, and seek medical treatment for any discomfort at the wound.