The backrest is equipped with personified mechanic massage hands, which is provided with the kneading, flapping, linkage of kneading and flapping, finger pressing and tapping function; each function is equipped with third gear speed regulation and massage roller width regulation. The mechanic massage hands can move up and down; the global, part and fixed point massage. The chair is equipped with multi-direction three-dimensional massage (3D function) the shoulder position can be regulated and memorized according to the figure. The seat cushion is equipped with three airbags, the calf is equipped with eight airbags, four air pressure massage modes are provided, and the air pressure massage strength can be regulated as required. The chair is designed with knee traction and airbag pulse function. The backrest and calf rack are respectively equipped with an electric rod, and the up and down angle is controlled by the buttons. The chair is designed with automatic and manual modes, and the massage manipulation is life-like. The mechanical transmission adopts sound-proof design. The power-off reset function is provided. 75/65KG