Cosmetic suture technique is an advanced suture method, which is mainly used in emergency trauma, plastic surgery, and cosmetic plastic surgery.Its core lies in the precise alignment of multi-layer tissues through fine layered suture and tension reduction technique, so that the wound can achieve the best alignment state in the healing process, thus effectively reducing the formation of scars. With the progress of medicine, the improvement of people's ideological awareness, and the emergence of new suture materials, the application field of cosmetic suture technique is becoming increasingly extensive, opening a new chapter for the development and progress of surgical suture. This article aims to summarize some of the research progress on the application of cosmetic suture technique in surgical operations in recent years, in order promote the promotion application of cosmetic suture technique.