Half a month after the fracture surgery, the swelling and pain may be a normal phenomenon caused by incomplete recovery, or it may be caused by impaired blood circulation, wound infection and other reasons. 1. Not fully recovered: usually patients will be bedridden after fracture surgery, so the long time without exercise may cause local distension and pain, it is recommended that patients can according to their own situation and under the guidance of the doctor to do sports, if there is a malignant change of the condition should also go to the hospital in a timely manner for related treatment. 2. Impaired blood circulation: after fracture, it usually leads to the obstruction of venous return and lymphatic return, and impaired blood circulation, so the patient will feel swelling and pain, and it is recommended that the patient can moderate exercise, massage, hot compresses, hot water foot soak and other ways to relieve. 3. Wound infection: Wound infection may also cause local swelling and pain, it is recommended that patients can use iodine povidone and other drugs to disinfect the wound, and can be used externally with mupirocin ointment, roxithromycin ointment and other drugs for treatment, it is recommended that patients should be disinfected on a regular basis for medication change treatment. Patients should closely observe their own recovery, and if other complications occur, they should go to the hospital in time for treatment. The use of drugs should follow the doctor’s instructions.