The duration of nostril plastic surgery is determined by many factors, generally between 1-4 hours: the number of items: if there are few surgical items, 1-2 hours can be completed. If there are many projects, such as taking costal cartilage and auricular cartilage at the same time to shape the back of nose, tip of nose, alar and vestibule, the time will be prolonged accordingly; Combined with the demands of beauty seekers and the actual situation of the nose, the time required is also different. If it is filled with prosthesis or costal cartilage, the difference in operation time is about 20 minutes.