A kind of buttock lifting plastotype pad,System includes: its outer rim of a seat body be high what inside,And be internally recessed for smooth arc curve,Aforementioned arc curve is set to meet the best curve of Human Engineering,Seat body front end is provided with two arc grooves,Aforementioned two arc groove for two leg of user by putting,The nearly Hou end in seat body upper surface is equipped with an adjustment groove seat toward seat body inner-concave; One first cladding surface layer system coats seat body completely; And an adjustment block,Aforementioned adjustment block system places in appearance group to aforementioned adjustment groove seat,Adjustment block profile is identical as adjustment groove seat,Adjustment block merging adjustment groove seat Hou,Adjustment block upper surface and seat body upper surface form adjustment nargin (H),It can adjust user's buttocks high and low position using aforementioned adjustment nargin (H),To reach the effect of buttock lifting Yu plastotype.一種提臀塑型墊,係包含有:一座墊本體其外緣為高於內部,並為平滑之弧度曲線向內部凹陷,使前述弧度曲線為符合人因工程之最佳曲線,座墊本體前端設置有兩弧形凹槽,前述兩弧形凹槽供使用者兩腿靠放,座墊本體上端面近後端往座墊本體內部凹設有一調整槽座;一第一包覆表層係將座墊本體完全包覆;以及一調整塊,前述調整塊係放置容組至前述調整槽座內,調整塊輪廓與調整槽座相同,調整塊置入調整槽座後,調整塊上端面與座墊本體上端面形成一調整裕度(H),利用前述調整裕度(H)可調整使用者臀部高低位置,以達到提臀與塑型之效果。