Operation is the main method to treat cleft lip and palate deformity, and its therapeutic effect is not only related to the choice of operation method, the fineness of instruments and the skill of the operator, but also to the severity of deformity and whether it is accompanied by other deformities. No matter which stage of sequential treatment of cleft lip and palate is not completed well, it will affect the implementation of the next treatment, and cleft lip and palate plastic surgery is an improvement of the final treatment result, and its effect is directly affected by the previous repair results. With the progress of medical technology, the therapeutic effect of cleft lip and palate is also improving.