A kind of cushion and the vertical wheelchair of the slidable auxiliary station of back pad,It include the cushion frame and back pad frame for being flexibly connected a link mechanism,The cushion frame and back pad frame difference Slide Group unification cushion and a back pad,When user uses wheelchair,By the fixed what cushion in leg and upper body is fixed into what back pad,When driving the link mechanism by dynamical element,It drives the cushion frame movable with back pad frame by the link mechanism and generates the movement of " standing " or " sitting down ",Make between cushion and cushion frame simultaneously,And opposite sliding between back pad and back pad frame,Cushion or back pad is avoided to generate friction with user's limbs and feel uncomfortable.一種坐墊與背墊可滑動的輔助站立式輪椅，包括有活動連接一連桿機構的坐墊框架與背墊框架，該坐墊框架與背墊框架分別滑動組合一坐墊與一背墊，使用者使用輪椅時，將腿部固定於坐墊且將上身固定於背墊，藉由動力元件驅動該連桿機構時，由該連桿機構帶動該坐墊框架與背墊框架活動而產生「站立」或「坐下」之動作，同時使得坐墊與坐墊框架之間，以及背墊與背墊框架之間相對滑動，避免坐墊或背墊與使用者肢體產生摩擦而感到不舒適。
