The invention relates to magnet therapy instruments, in particular to a gyromagnetic machine structure. The gyromagnetic machine structure comprises an upper box cover and a lower box cover, wherein the upper box cover and the lower box cover can be spliced to form a closed machine box, an upper circular inner groove and a lower circular inner groove are formed in one side of the upper box cover and the side, opposite to the side of the upper box cover, of the lower box cover respectively, an upper locating groove is formed in the bottom wall of the upper circular inner groove, a lower locating hole is formed in the center of the bottom wall of the lower circular inner groove, and leads to the outside of the machine box, a main supporting rod penetrates through the lower locating hole and is arranged in the upper locating groove, a motor stator is fixed to the inner wall of the lower circular inner groove, a supporting disk is connected with the main supporting rod in a rotary mode, a circle of rotor magnetic steel opposite to the motor stator is fixed to the bottom of the supporting disk, and magnetic units are arranged on the supporting disk. The structure is firm, operation is stable, and the magnet therapy health care effect on a human body is good.