Conclusion: Utilizing arthroscope to treat femoral inferior segment fracture involving articular facet can obtain the best reservation articulation part anatomy telotism and functional recovery.

• 结论：利用关节镜闭合复位，损伤少，最大程度地保留关节部位解剖功能完整，同时中空镙钉及股骨逆行交锁髓内钉中心化固定牢固，有利于骨折的愈合和膝关节功能恢复。