To relieve the symptoms of itchy wound, the cause of the itchy wound must be clearly identified before symptomatic treatment can be given. If the itch is caused by wound infection, it is usually accompanied by redness, swelling, pain and even abnormal discharge of pus from the wound, which must be strictly disinfected or partially removed to open the wound and drain the pus before the itch can be relieved. In addition, it is necessary to apply antibiotics and anti-infection treatment. If the itch is caused by contact with the gauze or adhesive tape around the incision, it is generally allergic symptoms, and can be given topical application of glyburide lotion and compound dexamethasone ointment to anti-inflammatory and anti-allergic treatment, and the symptoms can be relieved quickly.