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对颊部恶性肿瘤根治手术所造成的洞穿性缺损，临床上常采用带蒂组织瓣或游离皮瓣进行一期整复。对于不涉及口角的颊部组织缺损，这种整复手术的效果较好，但对于涉及口角的缺损，整复效果则不太理想，会留下流涎、进食不便、发音不清等后遗症。作者在实践中对此进行了探索，在对涉及口角的洞穿性缺损进行一期整复的同时行一期口角成形手术，从而恢复了口轮匝肌的功能，并尽量保留唇红，较好地改善了面容美观，取得了满意的效果。
On the cheek malignant tumor caused by the operation of the hole through the defect, clinical pedicle flap or free flap often used for a period of rehabilitation. For cheek tissue defects that do not involve cheeks, the effect of this plastic surgery is better, but for the defect involving the mouth and mouth, the rehabilitative effect is not ideal, leaving salivation, eating inconvenience, unclear articulation and other sequelae. The author explored this in practice. During the one-stage reconstruction of the penetrating defect involving the mouth and mouth, a periodical chemooplasty operation was performed to restore the function of the orbicularis oris and to keep the lip red as much as possible To improve the beautiful appearance, and achieved satisfactory results.