Thinning of thick lips is to carefully design the actual situation of beauty seekers before operation, design the incision according to the width of red lip tissue to be removed, then cut the mucosa according to the design line, properly remove the orbicularis oris muscle with a wedge-shaped deep incision, and design the natural shape of lips according to the proportion of the five senses of beauty seekers. Thick lips thinning surgery generally takes 5-7 days to remove stitches, and there is a certain swelling recovery period. Naturally coordinated and beautiful after the operation. The thickness of male lips is greater than 9 mm for the upper lip and10.5 mm for the lower lip; Women's lips can be called thick lips if the upper lip is more than 8 mm and the lower lip is more than 9 mm. The causes of thick lips are related to genetic and ethnic characteristics, and local chronic infection may also lead to thick lips.