Conclusion Treatment of femoral or tibial fracture with interlocking medullary nail has the advantages of stabili ty, good curative effect and few complications, and it is an ideal therapy.

• 结论用带锁髓内钉治疗股骨、胫骨骨折具有稳定性高、疗效确切和并发症少等优点,是一种理想的治疗方法。