The utility model discloses an electricity rheological damping ware, including cylinder, piston rod, piston assembly and damping adjustment device, the piston assembly sets up in the interior cavity of cylinder, and the piston assembly has a plurality of orifices that let electrorheological fluids pass through. The piston rod is set to and is run through cylinder and piston assembly, and is connected with the piston assembly. The damping adjustment device includes that rotatable the setting inside and be used for adjusting being in and open or the first damping fin of the orifice quantity of closed condition and second damping fin, the frequency damping adjustment device of being connected with first damping fin and the amplitude damping adjustment device of being connected with the second damping fin in the piston assembly. The utility model discloses an electricity rheological damping ware sets up first damping fin and second damping fin in the piston assembly, through first damping fin and second damping fin adjust be in open or the closed condition under the quantity of orifice to make the damping force of attenuator also obtain changing, reach and adjust damped purpose.