AIM:To analyze the effect of three kinds of method on different types of Pilon fracture and advance the best treatment plan.METHODS:From March 1989 to August 2000,107 patients were regarded as having Pilon fracture by two hospitals,among which 76 cases were followed up.They were divided into three groups according to treatment method.A group included 24 cases with the treatment of manual reduction,traction of calcaneus and plaster exopexy.B group included 30 cases with the treatment of AO key shaped anatomical steal plate.C group included 22 cases with the treatment of limited internal fixation combined with exopexy stand.RESULTS:After 6 months to 8 years follow up,it was found that three kinds of treatment methods had obvious differences on the complications and effects of different types of fracture.In A group,the excellent and good rate of treatment on I type fracture was 70% ,II type was 25% ,III type was 0% .In B group,the excellent and good rate of treatment on I type fracture was 78.6% ,II type s 87.5% ,III type was 37.5% .In C group,the excellent and good rate of treatment on I type was 75% ,II type was 80% ,III type 80% .CONCLUSION:Summarizing kinds of factors,the treatment of A group applied in I type fracture,B group applied in II type fracture and C group applied in III type fracture.