The treatment of cleft lip and palate is sequential treatment, and each stage is indispensable. At present, it is recognized that the best operation time for cleft lip is 3-6 months after birth, and the best treatment time for cleft palate is 9- 18 months after birth.

The treatment of cleft lip and palate is a comprehensive treatment that needs the cooperation of stomatology, surgery, plastic surgery, pediatrics and even psychologists. When parents cooperate with the treatment, they should do a good job in feeding, pronunciation training and psychological correction. These three aspects are indispensable for the treatment of children with cleft lip and palate. In a word, after sequential treatment, the face and mental state of normal people can be restored.