If the swelling is still present more than a month after the end of finger surgery, it may be due to external force, poor healing, loose fixation and other factors. 1. The role of external forces: more than a month after the end of the finger surgery, the local swelling, need to consider whether it is related to the role of external forces, such as local re-trauma, which may lead to local soft tissue swelling. 2. Poor healing: Finger end surgery, if it is a broken finger reimplantation, one month after the local swelling, may be the normal range, may also be caused by poor bone healing. In addition to this, it is also necessary to know whether it is related to the local circulatory disorders, if necessary, to give Chinese medicine external washing with herbs and miscanthus flow infusion tablets and other medications. 3. Loose fixation: Finger tip fracture, swelling one month after surgery need to go to the hospital in time for examination, and then take a film to find out whether it is related to the fixation loosening, breaking, caused by the swelling. One month after the end of the finger surgery is still swollen, it is recommended to do a good job of local care, to avoid re-injury, you can go to the hospital general surgery to find the cause.