在临床矫治错畸形病例中 ,在排齐牙齿的同时 ,改善容貌是大部分患者特别是成人求治的主要原因 ,在制定矫治计划中 ,正畸医师不仅必须对牙齿、骨进行测量分析 ,还应对软组织侧貌外形进行测量分析 ,因此 ,面部侧貌的美学特征成为正畸临床诊治中的重要辅助诊断手段 ,本研究选 In the clinical treatment of malocclusion deformity cases, while aligning the teeth, the improvement of appearance is the main reason for the treatment of most patients, especially adults. In orthodontic planning, the orthodontic physician not only has to measure and analyze the teeth and stapes, But also the profile of soft tissue profile should be measured and analyzed, therefore, facial features of aesthetics become orthodontic clinical diagnosis and treatment of an important auxiliary diagnostic tools, the study selected