Traceless double eyelid refers to the double eyelid formed by minimally invasive catgut embedding, which can be divided into continuous catgut embedding and positioning catgut embedding. At present, positioning catgut embedding is commonly used, that is, several small incisions are made in the upper eyelid, and the double eyelids are formed by precise suture and fixation, leaving no obvious traces, so as to simulate the formation of natural double eyelids to the greatest extent. It is suggested that some beauty seekers can be the first choice according to their own conditions