A body stretcher includes a floor-standing frame, wherein a horizontal plate is connected to an upper surface, with a sleeve tube, pulleys are mounted on a headrest, one end of the movable rod is connected with a foot hook frame, an end, inserted into the sleeve tube, of the movable rod is connected with a rack, an elastic rope winds across the pulleys to be connected with a head protector； a support is arranged on the outer side of the sleeve tube, one end of a manual swing rod is hinged to the support, an active pawl is hinged to the manual swing rod, one end of the active pawl is matched with a toothed groove of the gear, a check pawl is hinged to the support, and a compression spring drives one end of the check pawl to be matched with the toothed groove of the gear.
