This creation is that a kind of manual-free is held, exempts to exert a force manually and Massage Department can extract the automatic massage tool of transformation, standing and sitting, mainly includes that a chair back pedestal, front have two drawer type T connected in stars, quadrangle to have lacing hole. One group can extract using Massage Department's extracting plate, including 4 extracting plates that can install different massage balls. One group of optional massage ball used, massage ball are divided into two kinds of spheroidal and cone. One connects chair cushion type chair back base sleeve. Chair back pedestal installing what is connected in the chair cushion type chair back base sleeve when use, is put on what chair, with rope through the fixed what chair back of quadrangle lacing hole, 2 is inserted into and Massage Department's extracting plate of massage ball is housed, can be used as self-service massage armchair use. It in a manner of body leans against seat, actively exerts a force and presses to massage ball, use the massage effect for reaching massage back, waist acupoint. Massage Department's extracting plate can also individually be extracted out, in such a way that standing position body leans against wall, the massage ball in Massage Department's extracting plate, which exerts a force, to be pressed, can massaging shoulder, back, waist, each acupoint of buttocks.本創作係一種免用手持、免手動施力、且按摩部可抽取變換、坐立兩用之自助按摩工具，主要包括一椅背基座、正面有兩抽屜型T形凹槽、四角有穿繩孔。一組可抽取使用之按摩部抽取板，包括4片可裝設不同按摩球之抽取板。一組可選擇使用之按摩球、按摩球分為圓球形和圓錐形兩種。一連椅墊型椅背基座套。使用時將椅背基座裝設於連椅墊型椅背基座套中，置放於椅子上，以繩索經四角穿繩孔固定於椅背，再插入2片裝有按摩球之按摩部抽取板、即可當作自助式按摩椅使用。以身體背靠座椅之方式，主動向按摩球施力按壓，藉以達到按摩背部、腰部穴道之按摩效果。也可單獨抽出按摩部抽取板，以立姿身體背靠牆壁的方式，向按摩部抽取板上之按摩球施力按壓，即可按摩肩部、背部、腰部、臀部各穴道。
