Auxiliary instrument beneficial to exercising coordination ability of four limbs

The invention relates to an auxiliary instrument beneficial to exercising the coordination ability of four limbs. The instrument comprises a step surface used for exercising the walking ability, a plurality of supporting rods arranged on the two sides of the step surface, a hanging plate connected to the supporting rod on each side, and annular rail grooves formed in the plate faces of the sides,facing the step surface, of the two hanging plates respectively. At least two rollers capable of sliding in the direction of the rail groove are arranged in each hanging plate, each roller is connected with a rope through a through connection barrel, and a plurality of locking mechanisms used for preventing the rollers from sliding reversely are further arranged in the rail grooves. According to the device, an integrated auxiliary instrument for limb coordination ability training is formed by the step surface used for exercising the walking ability, the hanging plate with the rail groove and the through connection bar