A rod-shaped body binding device includes a binding unit configured to bind a rod-shaped body by wrapping one end section of a binding tape around the rod-shaped body, a stopper configured to stop supply of the binding tape when the rod-shaped body is bound using the binding tape, and a tension regulation unit configured to continuously apply a predetermined tension to the binding tape between the stopper and the binding unit during the period from the beginning to the end of binding of the rod-shaped body by the binding unit.