How long it takes for a patient to be discharged from the hospital after flap surgery is based on whether local infection, edema, bleeding and other factors occur. If the patient after the flap surgery wound recovery is good, and did not occur wound infection, edema and local effusion, this situation generally in the postoperative period of 2-3 weeks can achieve better therapeutic effect, the patient can be discharged from the hospital, but if the patient after the flap surgery local tissue ischemia, hypoxia, necrosis of the flap, or the local infection, edema and effusion, this situation may require Prolonged local drug replacement is needed. After the operation needs to strengthen the nutrition, comprehensive conditioning, the patient’s hospitalization time is often longer, some patients even need 2-3 months of rest to reach the normal discharge standard, so after the flap surgery, the patient needs to cooperate with the doctor to actively deal with the change of medication, to avoid local tissue complications, affecting the normal discharge time.