Twelve days after the fracture surgery, there is pain at the suture line, accompanied by redness, swelling, inflammation and oozing, etc., may be infected. If the pain is simple, it may not be due to infection, and should be considered to be caused by the irritation of nerve endings. If, twelve days after the fracture, the skin at the suture line is painful and accompanied by redness, swelling, elevated skin temperature, and inflammatory secretion, it is considered to be due to wound infection. It may be due to bacterial infection, incomplete debridement, improper nursing care, and poor hygiene. If the pain at the suture line is twelve days after the fracture surgery and is not accompanied by other uncomfortable symptoms, it is mostly considered to be caused by physiological factors. It is due to the wound in the healing process will grow new blood vessels, nerves, can form new connective tissue, stimulate the nerve endings, some patients will appear slight pain. When the patient twelve days after the fracture surgery, there is pain in the suture line, need to go to the regular hospital, relevant examination, so as to clarify the cause of the disease, and take relevant treatment measures.