Old abdominal wound pain may be wound dehiscence, infection with inflammation, but also may be local scar hyperplasia, local nerve damage, etc.. 1. If the wound is not completely healed in the early stage, when the patient coughs and moves around, it is easy to cause pain in the wound, especially the abdominal wound, when getting up and coughing, it vibrates to the wound, which will cause pain in the abdominal wound. Therefore, early postoperative wound pain is a normal phenomenon. 2. If the postoperative pain is basically relieved, but suddenly the pain is aggravated, we should check whether there is a wound infection, whether there is inflammation, usually manifested as redness, swelling and hot pain around the wound, you can relieve the pain by applying hot compresses or local use of broad-spectrum antibiotics such as penicillin, ceftazidime. 3. Local scar hyperplasia will also have pain in the wound, the wound is deeper, there will usually be local fibrous tissue proliferation, aging after the formation of scars, scar contraction pulling the surrounding tissues, resulting in pain. Generally do not need special treatment, you can use hot towels and hot compresses, and with local massage, but pay attention to the strength of the massage. 4. local nerve injury, most of the surgery, the injured nerve stimulation will appear slight pain, you can go to the pain department with lidocaine plus glucocorticoids for treatment, usually hot compresses, massage to care. All of the above involved medications need to be taken as prescribed by the doctor. Old abdominal wound pain may also be seen in other causes, it is recommended that timely medical treatment, under the guidance of a professional doctor to standardize the treatment and medication, so as not to delay the condition.