The invention relates to a washing machine, in particular to a combined bodybuilding energy-saving washing machine. The washing machine comprises a base, a washing device, an intermediate transmission device, a pedal transmission device and a transmission rack, wherein the washing device is installed on the base through a supporting frame, a pedal transmission device is installed at the position, at the front end of the washing device, of the base, the intermediate transmission device is installed at the position, between the washing device and the pedal transmission device, of the base, and the intermediate transmission device is connected with the washing device and the pedal transmission device in a meshed mode. The washing machine is in drum type design, kinetic energy is transmitted to the washing device in the bodybuilding process, then bodybuilding and washing are conducted synchronously, and thus time and energy can be saved; besides, clothes can be washed to the maximum degree while water is saved, and the combined bodybuilding energy-saving washing machine has the advantages of being simple in structure and convenient to use and has positive significance on energy saving and bodybuilding.