Objective:To explore the anatomical relationship between the alar cartilaginous ring and extemal nasal morphology, and find the possible pathogenesis and acceptable operative methosds of cleft lip nose.

• 目的：探索鼻翼软骨环状结构特点与外鼻形态的解剖关系，寻找唇裂鼻畸形可能的病理机制及手术修复方法。