The utility model relates to a double ball type rolling massage fitness device.The utility model comprises: a body-building apparatus is integrally formed and has two ball shaped parts and an internal contraction part.And the ball part of the fitness apparatus is formed at both ends of the internal contraction part.And the volume of the sphere is larger than the volume of the retracted part,And the fitness apparatus is provided with a completely closed air bag space formed by the ball part and the retraction part.And the spherical part and the outer surface of the internal contraction part are distributed in a plurality of massage bumps.The utility model can form controllable elastic deformation with the sealed air bag space.Thus, the compression force of the ball part and the retraction part can be adjusted automatically during rolling massage.一種雙球型滾動按摩健身器，其包括有：一健身器係一體成型形成有二球狀部與一內縮部，且該健身器之該球狀部形成於該內縮部兩端，又該球狀部體積大於該內縮部體積，且該健身器以該球狀部與該內縮部構成有一完全封閉的氣囊空間，而該球狀部與該內縮部的外表面皆分佈於複數個按摩凸粒，讓該健身器能以該封密狀的氣囊空間形成可控制的彈性變形，藉此於滾動按摩時自行調整該球狀部與該內縮部的按壓彈力。
