The aim of this study was to assessment the effect of using MohlerTechnique in primary repair ofunilateral cleft lip. The study comprised of12cases attendedto department of oral and maxillofacial surgery at Alassad University HospitalLattakia-Syria, with completeunilateral cleft lip between 1 April 2014 and 1 April 2015. The clinical observation included taking photographs for the patients in anterior position to evaluate symmetry of cutaneous lip heights and in naso-frontal position to evaluate symmetry of nostrils between the cleft side and noncleft side at 15 days and 6 months postoperative.