A massage chair comprises a chair body and a base for supporting the chair body. The chair body comprises a back pad part and a cushion part. The base comprises a supporting frame, arc-shaped guide rails are arranged on the two sides of the top of the supporting frame respectively, and arc-shaped feet are arranged on the two sides of the bottom of the supporting frame respectively. The arc-shaped guide rails are arranged in arc-shaped grooves in the back of the massage chair, and the inner sides of the arc-shaped guide rails are provided with arc-shaped guide grooves along the trend of the arc-shaped guide rails. An accommodating space for installing a device is formed in the supporting frame. The surface of the back pad part is provided with a buffer pad, the buffer pad comprises a covering layer for covering a massage machine core, a comfort level adjusting layer is arranged on the covering layer; a leather layer is arranged on the comfort level adjusting layer, and the headrest is arranged on the leather layer. The massage chair has multiple functions, the human body adaptability and comfort degree are high, and the manufacturing cost is relatively low.