Objective Discussing on the effect of treating brustwirbel and lumbar's bone fracture used by AF Lateral neck of vertebra system.Methods We treat 48 cases who had brustwirbel and lumbar's bone fracture used by AF Lateral neck of vertebra system from Jan.2000 to Sep.2006.Results Through average 13 months follow-up visiting,the height of centrum of 48 cases recover very good.According to the ASIA grade,the patient who were the E grade of nerve function and nerve injury preoperative have all no change.There are 29 patients were above E grade of nerve function and nerve injury preoperative,after operative,7 patients have no change,22 patients have recovered one or two grades.Conclusions Treating brustwirbel and lumbar's bone fracture used by AF Lateral neck of vertebra system have good effect on the diaplasis fixation and vertebra decompress.It is an ideal measure.