Front frame folding type sit-up bench

The utility model discloses a front frame folding type sit-up bench, which comprises a main frame body, wherein a lying plate is fixedly arranged on the main frame body, the front part of the main frame body is fixedly provided with an upper foot hooking frame positioned at the upper side in front of the lying plate, the lower side of the front part of the main frame body is hinged and connected to a front foot frame through a first hinging shaft, meanwhile, a pin hole is formed in a position, positioned in front of the first hinging shaft, of the upper end part of the front foot frame, a first positioning hole matched with the pin hole is formed in a position, positioned in front of the first hinging shaft, of the lower part of the main frame body, in addition, the pin hole is aligned with the first positioning hole, and then, a first pin can be inserted into the pin hole and the first positioning hole. The front frame folding type sit-up bench has the advantage that the folding is easy.