Thick lips are thick lips. Generally speaking, thick lips are actually called thick lips, which is a concept. Lip thinning is a common operation. There are more girls and more boys, because in clinic, boys do more. In this regard, in fact, in the lip, that is, in the lower lip or upper lip, an arc incision is made near the inner side of the gingival sulcus of the lip, and an incision is made according to the arc of the lip to remove excess mucosa including some muscles. According to the preoperative requirements of patients, how many areas should be removed to achieve a better effect of thinning thick lips. Of course, design and communication must be done well before operation.