Buccal fat pad removal, commonly known as “buccal fat pad removal”, is a surgical procedure where an incision is made inside the mouth to remove the enlarged buccal fat pads, making the area noticeably thinner and providing a good face-slimming effect. It is suitable for people with fat and round face shape, especially for those who are obese in the middle of the face or those who have asymmetrical face shape bilaterally. However, because of any surgery there will be a certain degree of surgical risk, this operation is no exception, should pay attention to the following points: 1, hematoma: If there is a case of incomplete hemostasis or vascular damage during the operation, it may lead to hematoma. If such a situation occurs, timely medical treatment should be sought, smaller hematoma may be self-absorbed, larger hematoma or active bleeding requires incision to stop bleeding; 2, swelling, skin numbness: the patient in the postoperative swelling period is longer, the duration of 1-2 months ranging from the deep tissues of the cheeks may be hardened due to swelling, accompanied by numbness; 3, infection: a variety of reasons can lead to the occurrence of infections, should be routinely applied to clean the oral cavity rinsing liquid rinsing after the operation. If the infection is serious, it is necessary to consult a doctor in time; 4, bilateral asymmetry, local concave deformity: due to the unequal amount of tissues removed bilaterally during the operation, it can be corrected by removing the fat pads again and injecting fillers, etc.; 5, parotid gland duct injury and facial nerve injury, etc.