No matter how long it takes for the wound to still hurt when you touch it, it may be due to local inflammation, local nerve injury, local subcutaneous fluid accumulation and other reasons. 1. Local inflammation: when there is inflammation inside the wound, it will lead to pain, you can take amoxicillin, cefaclor and other drugs as prescribed by the doctor for anti-infection treatment. 2. Local nerve damage: nerve damage may cause pain even after the wound has healed, and may also be accompanied by symptoms of numbness. 3. Localized subcutaneous effusion: subcutaneous effusion is caused by wound infection, wound pus, may appear red, swollen, painful or feverish symptoms, clinically, usually after puncture or incision and drainage, the symptoms will gradually improve, or take amoxicillin, cefaclor and other antibiotics to prevent and control infection. Wound pain may be caused by other reasons, it is recommended that the patient to the regular hospital to do further examination, to clarify the cause of the disease to do targeted treatment.