“Butt lips”: the lower lip is narrowed in the center, and the sides are full of side lip beads, suitable for women with round faces, baby fat, and innocent and lovely temperament. Star representatives: Tang Wei, Yang Mi. “Crescent lip”: the thickest in the middle of the lower lip, gradually narrowing to both sides, suitable for women with standard melon face, atmospheric features, sexy and noble. Pre-operative precautions: 1, no bleeding disorders and active or progressive diseases of the heart, lungs, liver and kidneys and other important organs, such as patients suffering from hypertension, diabetes or infectious diseases, etc. need to be operated after the condition is controlled and stable. 2, Long-term users of steroid hormones and aspirin and other drugs should preferably stop using them one week before surgery, please consult the relevant doctor. 3.Suspension of surgery is recommended for those who have the following lip conditions: the presence of oral ulcers, folliculitis and other foci of infection in the lips, acute inflammation, etc. 4.Please avoid menstruation for female patients; hold off surgery during the pre-pregnancy period (3 months) and late pregnancy period (3 months). 5.Since slight local swelling after surgery may last for 2-3 months or even half a year, the lip shape is slightly less natural at this time, so please consider avoiding important social occasions during this period when arranging the surgery. 6. Due to the softness of the lip tissue, it is difficult to precisely control the amount of excision, and local asymmetry between the left and right may occur after surgery (incidence 50%). Generally, minor asymmetry can be gradually relieved, but if there is still a significant difference after 3 months, another surgery is needed to repair it. Anesthesia: Local nerve block anesthesia: local injection of anesthetic at the surgical site, no additional charge. Intravenous general anesthesia: for long surgery time, many sites, or poor pain tolerance, intravenous administration of drugs, no tracheal intubation, additional charges. Pre-operative preparation: 1, routine examination: (can be done on the day of surgery, local anesthesia without fasting, intravenous general anesthesia fasting laboratory tests; foreign patients to save time can also be completed in advance in the local tertiary hospital, valid for 3 months) local anesthesia surgery: routine blood, urinary routine, coagulation four, cosmetic immune four (hepatitis B, hepatitis C, syphilis, AIDS); intravenous general anesthesia surgery: the above six items, liver and kidney function, fasting blood sugar, electrocardiogram. 2, those who choose local anesthesia normal diet, those who choose intravenous general anesthesia auxiliary 6 hours of preoperative fasting, 4 hours of abstinence from water. 3.Pay attention to the cleanliness of the operating area before surgery, cut short nasal hair and beard, and do not wear makeup. 4.Postoperative medication preparation: pain medication (the night after surgery), anti-swelling medication (within 1 week after surgery), mouthwash (within 1 week after surgery), anti-scar ointment (starting 5 days after stitch removal), anti-inflammatory medication (if necessary). Postoperative precautions: 1.Ice the lip for 30-60 minutes immediately after surgery, and ice it 3-4 times a day for 30-60 minutes for 3 days afterwards. 2.If no special instructions are given, antibiotics may not be necessary. On the day of surgery or the 1st day after surgery, it may be more painful, if necessary, you can take painkillers before going to bed. 3.About the postoperative diet: enter cold liquid food on the day after surgery, try to eat slightly soft food within 1 week, avoid tobacco, alcohol, fish and shrimp, spicy and stimulating food, and gargle with mouthwash after meals. 4. Avoid overly exaggerated expressions on the lips within 1 week, speak as little as possible, avoid laughing as well as yawning with force. You can brush your teeth, but pay attention to gently and do not touch the wound. 5, “crescent lip” surgery 7 days to remove the stitches, “ass lip” surgery using absorbable sutures on the inner side of the lip, can be decided in 2 weeks after surgery according to the morphology of both sides of the lip beads, if you feel that the lip beads are more exaggerated, can be removed in 2 weeks, if the lip beads are more natural or slightly exaggerated, can be removed. If the lip beads are more natural or slightly exaggerated, you can let them fall off by themselves in 3-4 weeks. 6.Oedema, bruising and bruising in the post-operative area are normal phenomena. Most of them will gradually subside after 1-2 weeks. If you find swelling and bruising or increased pain, bleeding, etc., please contact your doctor immediately. 7, edema may occur when the individual sutures may fall off, generally does not cause the wound to open, so there is no need to panic, the sutures can be withdrawn. In the unlikely event of a wound split, please contact the doctor immediately. 8.After surgery, local numbness or dullness of sensation in the lips may occur, which usually recovers gradually in about six months. 9.The final result can be evaluated after 3 months after surgery. If there is local under-correction or over-correction, asymmetry or local dissatisfaction, it can be repaired again after 3 months. 10.Prevention and treatment about incision scar: try to avoid exaggerated expression after surgery, apply erythromycin ointment to keep the incision moist within 10 days, and apply topical anti-scar ointment from 5 days after stitch removal for about 3 months continuously. If a raised surface dense hyperplastic scar appears, it can be softened by local steroid hormone injection (once a month); it usually fades gradually in 3 months to half a year, eventually presenting flat or depressed softened scar traces, if it is still more obvious it can be further weakened by laser. 11. Please contact the doctor for follow-up after six months.