compare Kirschner guide reset locking plate with non-locking plate Kirschner guide reset middle clavicle fractures effect. [Method] The locking plate fixation in 70 cases, of which 34 cases Kirschner guide reset, reset the 36 cases of non-Kirschner guide. [Result] The average folow-up of 12.3 months, two healing time, the difference was not statisticaly significant (P> 0.05); postoperative complication rate, the difference was not statisticaly significant (P> 0. 05); Kirschner guide reset locking plate group was significantly lower than the amount of bleeding Kirschner guide reset locking plate group (P <0.05); Kirschner guide reset locking plate operative time was significantly less than in non-Klinefelter reset needle guide locking plate group (P <0.05). [Conclusion] Kirschner guide reset the lock plate for treatment of clavicle fractures can significantly shorten the operation time reduce bleeding, compared with non-Kirschner guide Reset Reset method has obvious advantages.