The utility model relates to a multifunctional rolling sports chair, which comprises a base, a top seat and at least one intermediate pad body arranged between the base and the top seat, the base has a combined surface and an arched surface, the combined surface is provided There is a plurality of combined columns, the top seat has a joint surface and a seating surface, the joint surface has a plurality of joint holes, at least one of the intermediate mat systems forms a plurality of combined recesses on the lower surface, and the upper surface is formed with a plurality of combined recesses Combining the convex portions, the sports chair is configured in combination, and the number of the intermediate cushions can be adjusted according to the movement form or according to the height of the user, so that the user can assemble and assemble the structure to change the use of the structure. Sexuality, greatly improving the practicality of sports and fitness.一種多功能圓滾運動椅，該運動椅包含一底座、一頂座以及組設於該底座、頂座間之至少一中間墊體，該底座具有一組合面以及一拱弧面，該組合面設有複數個組合柱，該頂座具有一結合面以及一乘坐面，該結合面有複數個結合孔，至少一該中間墊體係於下表面形成複數個組合凹部，而上表面則形成有複數個組合凸部，藉此將該運動椅以組合方式構成，且該中間墊體的層疊數量可依運動形態或是依使用者身高而調整搭配，以便於使用者自行組合拼裝，增添結構使用之變化性，大幅提升運動、健身之實用性。
