Cleft lip and palate are treated sequentially, and the number of repair operations depends on the location and severity of the patient's lesions. Generally speaking, there are three necessary operations, namely cleft lip repair, cleft palate repair and alveolar cleft repair; In addition, there are three kinds of operations, namely velopharyngoplasty with velopharyngeal insufficiency, two-stage rhinolabial reconstruction and orthognathic surgery. So it can be summarized into six operations. Not all patients need all operations, because the degree and category of deformity are different, and it is necessary to choose which operation to treat according to the degree of the patient's illness and the effect of the previous operation.