本文详细介绍了口轮匝肌解剖学的新概念和功能性唇裂整复术的手术步骤。根据作者的体会,粗略拟定了手术原则及其适应症。该术可以有效地矫正鼻小柱偏斜、鼻孔扩大和鼻翼平葡畸形。对于年幼患儿的单侧唇裂,通过该术可以达到恢复唇弓形态、减轻鼻部继发畸形的目的。对于年长患儿的唇裂修复不良,则可获较满意的鼻唇部功能及形态的效果。 This article describes in detail the new concept of orbicularis muscle anatomy and functional surgical procedures for cleft lip repair. According to the author's experience, the rough formulation of the surgical principles and their indications. The technique can effectively correct the deviation of columella, nostril enlargement and alar deformity. For young children with unilateral cleft lip, the operation can be achieved to restore the shape of the lip arch, reduce nasal secondary deformity purposes. Older children with cleft lip repair, you can get more satisfactory nasal lip function and shape effects.