This study was conducted with key words that include of sutures, interrupted, continuous, surgery, surgeons in data bases such as google scholar, web of sciences, pubmed, embase, sciencedirect between 2015 to 2019. Inclusion criteria include of randomized clinical trials, English language study. 19 study was included, and two authors read abstract carefully and if study not compared two methods of continuous and separate skin suture were excluded. Finally, five articles were selected for this research.