The invention discloses a multi-functional office fitness chair. The multi-functional office fitness chair comprises a pedestal, a bracket, a cushion, a backrest, a headrest, a foot frame, a first ratchet mechanism, a second ratchet mechanism, a first plug pin, a rotating shaft, an adjusting frame, a pulley block, a first rope, a second rope, a third rope, a first handle, a second handle, a first hook, a second hook and a counterweight module, wherein the cushion is arranged at the upper end of the pedestal; the backrest is connected with the back part of the cushion and can rotate around the connection position; the headrest is arranged above the backrest; the foot frame is arranged at the front end of the cushion; the foot frame is hinged with the front end of the cushion; the adjusting frame is used for adjusting the angle between the foot frame and the cushion; the lower end of the foot frame, the counterweight module, the first handle and the second handle are connected through the pulley block, the first rope, the second rope and the third rope; and the first ratchet mechanism and the second ratchet mechanism are arranged on the two sides of the backrest and are used for adjusting the angle of the backrest. The multi-functional office fitness chair is simple in structure and can meet the fitness requirement in an office conveniently.