Objective Peripheral nerve injuries are common in firearm injuries The outcomes of peripheral nerves injuries by firearm treated with microsurgical techniques were discussed Methods All 314 cases of firearm injuries of peripheral nerves were treated with five types of microsurgical techniques Results The outcome was good in a 2 year follow up The recovery rate for nerve function was 79 4% in upper extremity,and 62 6% in lower extremity Conclusions Microsurgical techniques are effective methods for treatment of firearm injuries of peripheral nerve