Dental plastic surgery is also a kind of surgery from a medical point of view, and there are also some taboo people. First, people suffering from acute infectious diseases, such as acute hepatitis and pulmonary tuberculosis, should wait until the condition is stable before undergoing dental plastic surgery. Second, people with hemorrhagic diseases, such as thrombocytopenia and leukemia, have poor coagulation function, more bleeding during operation, and it is difficult to stop bleeding. Third, it is not easy to do with inflammation in the mouth. Plastic surgery should be performed after inflammation subsides, because inflammation can cause local aggravation or spread through blood. Fourth, patients with hypertension should not do it during the unstable period of relatively high blood pressure. Fifth, it is not easy to do dental plastic surgery in the acute stage of cardiovascular and cerebrovascular diseases.