This invention creates a massage chair structure, including: a massage chair body, a massage device and two rack rails, the massage chair body is provided with a chair back, the chair back is provided with two opposite sliding rails, the massage device is provided with a base, The base is provided with two massage wheel groups, a pressing displacement unit and a kneading unit. A plurality of rollers are provided on both sides of the base, and a plurality of rollers on both sides of the base are respectively arranged on opposite sides of the back of the chair In the slide rail, the two massage wheel sets are arranged on the front of the base and extend to the back of the base. The pressing displacement unit cooperates with the two rack rails to drive the two massage wheel sets to perform a pressing massage action and drive the base The seat and the two massage wheel groups move up and down along the relative two slide rails. The kneading unit is used to drive the two massage wheel groups to perform the kneading massage action; by this, the Pytha massage device is a modular design and the overall structure It is simple, easy to assemble and disassemble, and can be easily disassembled and replaced during maintenance. It is convenient and fast to assemble and maintain.本創作一種按摩椅結構,包含:一按摩椅本體、一按摩裝置及兩齒條軌道,該按摩椅本體設有一椅背部,該椅背部設有相對兩滑軌,該按摩裝置設有一基座,該基座上組設兩按摩輪組、一按壓位移單元及一揉捏單元,該基座兩側各設有複數滾輪,該基座兩側的複數滾輪分別組設於該椅背部之相對兩滑軌內,該兩按摩輪組設置於該基座正面,並延伸至該基座背面,該按壓位移單元配合該兩齒條軌道用於帶動該兩按摩輪組進行按壓按摩動作及帶動該基座連同該兩按摩輪組順著相對兩滑軌進行上下位移,該揉捏單元用於帶動該兩按摩輪組進行揉捏按摩動作;藉此,俾達按摩裝置為模組化設計,整體結構簡單,組裝及拆卸容易,維修時可簡易整組拆換,組裝及維修方便快速。