Abstract: A folding collapsible rowing machine is constructed to include a folding collapsible base frame equipped with a foot frame at the front side, a sliding seat horizontally slidably supported on the main shaft of the base frame, a rocker fastened pivotally with the main shaft of the base frame in front of the sliding seat, elastic cord members connected between the front end of the main shaft of the base frame and the sliding seat, and a friction wheel block unit coupled between the sliding seat and the rocket and adapted to impart a resisting force to the user.