Itchy surgical wounds can be seen in normal circumstances, but may also be caused by postoperative infection, allergies, etc. Patients should consult a doctor in time to clarify the cause of the disease and then treat it. 1. Physiological situation: after the operation, the nerves and blood vessels will grow back, in the process, the patient will feel itchy, which is a normal situation, usually without special treatment, but need to pay attention to light diet, eat more fresh fruits and vegetables. 2. Wound infection: if the patient after surgery local itching at the same time there are red, swollen, pus, pain and other symptoms, should be considered to be caused by incision infection, should be under the guidance of the doctor for the wound thorough debridement, if necessary, the use of vancomycin, ketoconazole and other drugs for treatment. 3. Allergy: Itchy incision after surgery may also be caused by allergy to dressings, adhesive tape, etc. Generally, stop using allergy-inducing substances to relieve the itch. The above medication and treatment should be carried out under the guidance of a doctor.