Itchy wounds after inguinal hernia surgery may be a normal phenomenon, and may also be caused by infectious factors and allergic factors. 1. Normal phenomenon: inguinal hernia surgery wound in the healing process, the newborn granulation tissue may stimulate the surrounding, will cause itching, only mild itching, no other clinical symptoms, usually can be improved on their own, do not need special treatment. 2. Infection factor: after the surgery, there is no good care, resulting in infection of the surgical incision, after the infection aggravates, it can cause the wound itching, redness, pain, and even pus outflow. 3. Allergic factors: after the operation, the wound dressing needs tape and skin disinfectant, there may be an allergic reaction to these substances, which will also make the surgical wound site itchy symptoms, the local area will also appear red papules, and itching is more intense. If the wound itches after inguinal hernia surgery and the itching is more serious, accompanied by other abnormal manifestations, you should consult a doctor in time for appropriate examination and treatment.