Pre-operative precautions: 1. Patients without bleeding disorders and active or progressive diseases of the heart, lungs, liver and kidneys and other important organs, such as those suffering from hypertension, diabetes or infectious diseases, need to have surgery after their conditions are under control. 2.Patients who have been taking steroid hormones and aspirin for a long time should preferably stop using them one week before surgery, please consult the relevant doctor. 3.Surgery is not recommended for those who have the following nasal conditions: infected foci such as boils and folliculitis on the skin of the nose, acute sinusitis, allergic rhinitis attack period, history of trauma to the nose within 3 months, etc. 4.Please avoid menstruation period for female patients; suspend the surgery during the pre-pregnancy period (3 months) and late pregnancy period (3 months). 5, nostril nasal surgery usually adopts open surgical approach, which requires an incision at the nose, the incision is slightly red and slightly hard within 1-2 months after surgery, and gradually fades and softens after 3 months, and the talking distance is generally not easy to find. The choice of surgery: 1.Nasal wing narrowing surgery: applicable to those who have wide nasal wings and nostrils “flared”. 2.Nasal wing anterior edge descent surgery: applicable to those who have ectopic nasal wing anterior edge to the head side and nostril relatively “skyward”. 3.Nasal Column Upward Surgery: Applicable to those who have too much root of nasal column exposed downward. 4.Nasal Column Downward Extension Surgery: Applicable to those who have receded nasal column and those whose upper lip angle of nasal column is too sharp. Anesthesia: local anesthesia: local injection of anesthetic at the surgical site, no additional charge; intravenous general anesthesia assist: long operation time, many sites, or poor pain tolerance, intravenous administration of drugs, no tracheal intubation, additional charge (according to the length of the operation 1500-3000 yuan). 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, 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), anti-scar ointment (starting 5 days after stitch removal), anti-inflammatory medication (if necessary). Post-operative precautions: 1. Avoid getting water on the wound after surgery, avoid blowing nose and rubbing nose with force, avoid bending and lowering head. 2.The gauze stuffed in the nostrils can be removed the next day after surgery; the stitches of the incision are generally removed in 7 days. 3.Don’t drink hot drinks on the day after surgery, avoid smoking, alcohol, fish and shrimp, spicy and stimulating food for a week. 4.If there is no special treatment, you do not need to take antibiotics, if necessary, you can take painkillers (such as painkillers, tramadol, etc.). 5.After surgery, edema, bruising, bruising, small amount of blood, nasal congestion, temporary asymmetry of nostrils, pain in the bone extraction area, etc. are normal phenomena, and most of them will gradually subside after 1-2 weeks, if swelling and bruising or pain are found to increase or continue to affect ventilation, please contact the doctor immediately. 6.If the swelling subsides and the incision scar is obvious, nostril asymmetry, etc., please wait patiently for 3 months first, usually it will gradually become lighter and recover, if you are still not satisfied after 3 months, you can further repair 7.Please contact the doctor for follow-up after 6 months.