Abstract: Abstract：Objective By using two different methods of unilateral cleft lip repair，and 6 months after surgery，respectively，were compared in order to compare the recovery of the affected side lip height there are no significant differences. Methods Fifty children with unilateral cleft lip in were selected，25 patients in each group. The first group was treated with ShiBing’s method，the second group was treated with a new improved Millard individual operative design . Two groups of patients，after surgery，respectively，in 6 months，were measured lip height and the difference calculated，and then compare the two groups，the data for statistical analysis. Results In the second group immediate total figures of the health and trouble side lip height standard deviation difference was big；in the first group immediate total figures of the health and trouble side lip height standard deviation difference was minimum. Thus it can be seen that the surgery method first group of surpassed surgery method second group of obviously. Conclusion At the beginning of the unilateral cleft lip repair surgery, ShiBing individual improvement MillardII operation,have wider application range, can improve lip height restoration;Another new modified Millard method can avoid the nasal floor transverse scar, but can not improve lip height restoration.

Key words: unilateral cleft lip, millard, lip height