The cause of numbness about one month after fracture surgery may be caused by factors such as nerve damage or local compression. 1. Nerve damage: patients may suffer nerve damage at the same time when the fracture, postoperative wound pain is gradually relieved, but the nerve damage is slower to recover, it takes a longer time to recover gradually, so there will also be local numbness one month after the operation. 2. Local compression: due to the fracture and surgical trauma will cause edema of the surrounding soft tissues, swelling and compression can lead to local blood circulation is not good, as well as peripheral nerves are compressed, so there will be local numbness. One month after the fracture surgery numbness symptoms may have other causes, it is recommended that the patient timely hospital consultation, identify the causes for standardized treatment, so as not to miss the condition.