A rebar tying tool may include: a screw shaft configured to rotate; a sleeve through which the screw shaft is inserted, and configured to move in a front-rear direction and rotate; a fin member attached to the sleeve and configured to permit and prohibit rotation of the sleeve; a push member attached to the sleeve and configured to rotate about the sleeve, wherein the push member does not rotate along with the rotation of the sleeve; an operated unit having a longitudinal direction in the front-rear direction and configured to be operated by the push member when the sleeve moves in the front-rear direction; and a grasping unit protruding from a front part of the sleeve, configured to rotate with the sleeve, and configured to grasp the wire. The push member may be disposed on a front side relative to the fin member.