Disclosed is a retractor system for laparoscopic surgery. According to one aspect of the present invention, provided is a retractor system for laparoscopic surgery comprising: a sleeve portion for forming a passage at a retractor an upper guide portion in which an upper circular elastic ring is built, formed at the upper portion of the sleeve portion a lower guide portion comprising a circular tube in which a lower circular elastic ring is built, formed at the lower portion of the sleeve portion a tube pressure controller for injecting air or water into the circular tube or discharging the air or water of the circular tube to contract or extend the circular tube, connected to the circular tube through a pipe and an air injector or a CO2 injector in which one end is mounted to the adjacent area of the sleeve portion, the extended pipe passes through the inside of the lower guide portion along the outer wall of the sleeve portion, and the other end is mounted to the lower portion of the lower guide portion.
