Pain one year after patella fracture should be treated according to the cause of general treatment, physical therapy, drug treatment and surgical treatment, etc. It may be due to incomplete healing of the fracture, malunion, traumatic arthritis, etc., and it is recommended to further check and take appropriate treatment. If you are older, the healing of the fracture is relatively slow, so it may be due to the fracture has not yet fully recovered, resulting in pain after activity, it is recommended that X-rays can be reviewed, if the fracture of the bone does not connect, should be timely surgical incision implantation of bone internal fixation. If the pain is caused by malunion of the patella due to misalignment of the fracture surface after reviewing X-rays and other imaging, anti-inflammatory and analgesic drugs such as diclofenac and ibuprofen can be taken, and if necessary, a second operation can be carried out to re-fix the fracture surface. If the pain is caused by traumatic arthritis, fasciitis, etc., it is recommended that anti-inflammatory and analgesic drugs such as ibuprofen can be taken, and if necessary, intra-articular injection of glucocorticoids and sodium vitrate can be used to treat the pain. Can also be hot compresses, baked electricity and other physical therapy, relieve symptoms. There are other causes of patellar fracture pain, such as rheumatoid arthritis, lumbar intervertebral disc herniation, etc., if the persistence of non-relief, it is recommended to go to the hospital in a timely manner to improve the relevant examinations, to clarify the cause of the disease to follow the doctor’s instructions for targeted treatment, and do not use their own medication, so as not to cause adverse consequences.