The invention discloses a novel household combined body building machine which is mainly composed of a seat (5), a leveling mechanism (12) of the seat (5), a butterfly machine (6), a pedal rod (4), a lower pull rod (7), a bracket (9) and a pulley block (13), wherein a base (14) is arranged at the bottom of the bracket (9), and a top frame (8) is arranged on the top of the bracket (9); the pedal rod (4) is installed on the base (4) and can be rotated for 90 DEG; the butterfly machine (6) is installed on the top frame (8); the lower pull rod (7) is hung and installed on the top frame (8); the seat (5) and the leveling mechanism (12) of the seat (5) are installed on the middle lower part of the bracket (9); and the lower pull rod (7), the butterfly machine (6), the pedal rod (4) and the leveling mechanism (12) are connected together through steel wire ropes and the pulley block (13). According to the novel household combined body building machine, the pulley block (13) is utilized to convert own gravity of a user into exercise resistance, no balance weight is needed, multiple exercise functions can be realized, all of the functions do not mutually interfere, and the user can steplessly adjust the exercise intensity in accordance with personal requirements. The novel household combined body building machine has the advantages of safety, reliability, less occupied area and simplicity of a use method.