The present invention relates to a retraction system for laparoscopic surgery. According to one embodiment of the present invention, the retraction system includes: a retraction part for holding an object or tissue to be retracted; a retraction fiber control part for retracting the retraction part at the area to be retracted by means of a retraction fiber to fix the retraction part; and an abdominal wall fixer coupled to the retraction fiber control part, wherein the abdominal wall fixer is fixed to the abdominal wall. The retraction fiber control part includes: a retraction fiber control part body having a retraction hole through which the retraction fiber connected to the retraction part passes in the lower portion thereof; and a retraction fiber fixing part disposed outside the retraction fiber control part body so as to retract the retraction fiber or fix the retraction fiber such that the retraction fiber is immovable.
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