Some people are obsessed with sexy thick lips, some people like big mouth thick lips, there are people favor cherry mouth …… two pieces of lips, from ancient times to the present day, is a sign of beauty. No matter what kind of beautiful lips are based on the integrity of the lip form and normal function. In real life, not everyone is perfect, lip defects happen from time to time. As the name suggests, lip defect refers to the lack of a part of the lip tissue, today we want to talk about the “lip defect” is generally formed (such as trauma, infection, tumor resection caused by the postoperative period), different from the cleft lip. The picture below shows the deformity of the upper lip after trauma. The lip is an important organ of the human face, and it is obvious that whether the lip is complete and functioning normally occupies a very important position in the face. Once the lip is defective, not only will the mouth and teeth be exposed, affecting facial aesthetics, expression of expression and greatly affect the diet and development. Lower lip defects, often make the mouth liquid outflow, and even affect the chewing function. In fact, for the lip defect deformity, can be effectively improved through a series of surgical methods, the main purpose is to rebuild the shape of the lip, remove scars, restore the normal physiological function of the lip. If the lip defect is within 1/4 of the lip, it can be repaired by directly pulling together the suture to get a better result. If it involves a larger area, various kinds of flaps are needed to repair it. General lip defect repair has the following principles: 1, as far as possible to rebuild the function of the lip muscles; 2, small defects can be directly sutured; 3, slightly large defects can be used to local flap and cross lip flap repair; 4, large defects can be used to repair the distal flap or skin tubes and so on. In conclusion, lip defect repair needs to follow the principles of plastic surgery, taking into account the appearance and function, for different degrees and different types of lip defect patients for preoperative careful surgical design, according to the cause of the defect, site, patient age, gender and the area of the defect, select the defect with similar function, color, texture of the tissue, the use of personalized methods of restoration, so as to maximize the reduction of patient’s pain. The patient’s pain will be minimized by using a personalized approach.