Wound itch can be seen in physiological and pathological causes, physiological causes generally do not need special treatment, pathological causes need corresponding symptomatic treatment. 1. Physiological reasons: most of the wound itching occurs in the postoperative recovery period, due to tissue healing, granulation and fibrous scar hyperplasia law, is a normal manifestation of the wound healing process, do not need special treatment, if the itching is serious, can be used externally with glycerite lotion, hydrocortisone butyrate ointment and other treatments. 2. Pathologic causes (1) Wound infection: the wound should be sterilized. If there is secretion and redness, the wound suture should be removed and thoroughly sterilized, and sensitive antibiotics should be selected according to the drug sensitivity test. (2) Wound dehiscence: when the wound is completely dehiscent, it needs to be re-sterilized and re-sutured under anesthesia. (3) Accumulation of blood, hematoma and blood clot in the wound: when the accumulation of blood is small, it can be observed; if the accumulation of blood is large, it is necessary to empty the blood clot, ligate the bleeding point, and then suture according to the situation. When the above situations occur, it is recommended to find a doctor to deal with them in time to avoid delay.