The utility model relates to a heat dissipating wheelchair pad,It has a back plate,The back panel is provided with a hole and a fan in the hole,The back plate is extended to both sides with a number of clamping parts,The back plate is clamped and positioned on the support frame of a wheelchair by its clamping part；And a back cushion is supported on the back plate with one side,An air inlet is arranged at the position corresponding to the perforation of the back plate on this side,And a plurality of flow channels are extended toward the interior of the back cushion,The air flow generated by the fan flows from the air inlet to the flow channel in the back cushion,So as to take away the heat from the back cushion and keep cool.一種散熱式輪椅墊，其具有一背板，此背板設有一穿孔且於穿孔中設有一風扇，而背板朝兩側伸設有數夾持部，俾供背板以其夾持部夾持定位於一輪椅之支撐架上；而一背墊以一側面靠抵於背板上，此側面上對應於背板穿孔之位置設有一進風口，且朝背墊內部延伸有數流道，藉由風扇所產生之氣流乃自進風口進入背墊內之流道而於其中流動，藉以帶走背墊的熱量而保持涼爽。
