Abstract: Objective To investigate the clinical value of same finger reverse island flap for repairing fingertip defects. Methods Sixty cases of fingertip defect in our hospital from January,2013 to October,2015 were selected.All cases conform to operation indication and have no obvious surgical contraindication.The patients were randomly divided into two groups.Thirty-two fingers of 30 cases in the adjacent finger skin flap group were taken the adjacent finger flap surgery treatment,in the dorsal of adjacent finger middle segment designed the flap according to fingertip defects area.Thirty-six fingers of 30 cases in the same finger reverse island flap group were taken the same finger dorsal island flap repair surgery treatment,in the dorsal of finger middle segment designed flap according to the defects area,the lateral margin less than side central line.The triangle flaps at distal margin were designed.The general condition and curative effect of the two groups were compared. Results The operation time of same finger reverse island flap group was (41.5±12.3)min,adjacent finger skin flap group was (42.6±13.6)min.There was no significant difference between the two groups,P>0.05.The length of stay in the same finger reverse island flap group was (7.3±0.8)d,significantly shorter than that in the adjacent finger skin flap group(10.8±1.2)d,the difference was statistically significant,P<0.05.There were 12 cases(40.0%) superior,17 cases(56.7%) good,1 case(3.3%) fine and no inferior case in same finger reverse island flap group.There were 11 cases(36.7%) superior,12 cases(40.0%) good,7 case(23.3%) fine and no inferior case in adjacent finger skin flap group.The excellent rate of same finger reverse island flap group was 96.7%,it was significantly better than adjacent finger skin flap group’s 76.7%,χ²=5.192,P<0.05,the difference was statistically significant. Conclusion The method of reverse island flap of the same finger to repair fingertip defect has better curative effect and important clinical value,which is worth to be popularized.