The present invention provides an organopexy tool (10, 40) comprising a locking part (11, 41) and suture thread (12, 42). Locking part (11, 41) is made of a rod-shaped part (13, 14), and the coil spring (14) that covers the rod-shaped part (13, 43) and is affixed to one end (13a, 43a) of rod-shaped part (13, 43), and suture thread (12, 42) is connected to the middle of rod-shaped part (13, 43) through the inside of coil spring (14) from one end (13b, 43b) of rod-shaped part (13, 43). Insertion tool (20, 50) has a puncture needle (21) for insertion that can house the locking part (11, 41) and a tubular push-out part (22) that is inserted into puncture needle (21) to push locking part (11, 41) out of the tip (25).