If it is a mild injury to the common peroneal nerve resulting in foot drop, you can resume normal walking, if it is a serious injury to the common peroneal nerve, it is difficult to resume walking, the details are as follows: first, mild common peroneal nerve injury: after rest, physical therapy, rehabilitation training, the common peroneal nerve conduction function can be restored, the patient will be able to normal weight-bearing walking after recovery, there will be no residual sequelae. Second, severe common peroneal nerve injury: such as the common peroneal nerve rupture occurred after the defect, it is impossible to repair the common peroneal nerve through surgery, then the patient foot drop is usually difficult to recover, and can not walk normally, the patient walking toe easily dragging the ground, resulting in walking difficulties, so the need for nerve grafting, but the patient recovery usually can not reach the normal situation.