Elbow fracture for more than half a year, night pain, no pain during the day, including physiological factors and pathological factors, physiological factors such as the vagus nerve, attention and so on. Physiological factors such as vagus nerve, attention, etc. Pathological factors such as inflammation, etc., treatment includes general, physical therapy, drugs, etc. 1. Physiological factors: at night, the vagus nerve will be more excited, resulting in the patient’s sense of pain is more obvious, so there will be night pain during the day pain does not occur, you can take non-steroidal anti-inflammatory drugs such as ibuprofen, celecoxib and so on. 2. Pathological factors: fracture may lead to traumatic arthritis, or combined gouty arthritis, resulting in night pain, daytime pain does not occur. You can use anti-inflammatory pain medication, such as ibuprofen, celecoxib, etc., and appropriate hot compresses to promote blood circulation. If the above situation occurs, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to give the appropriate treatment and treatment, the above drugs need to be used under the guidance of the doctor.