This creation discloses a kind of auxiliary chair, including a seat, at least a chair leg, a seat cushion, an adjustment component and an elastic supporting member for supporting optical member. An at least chair leg supports seat. What seat is arranged in seat cushion. What seat is arranged through adjustment component in seat cushion, and adjustment component includes having the first adjustment portion. Elastic supporting member for supporting optical member is arranged between what seat cushion and seat, and elastic supporting member for supporting optical member includes the second end of first end and opposite first end, and first end is pivotally connected the first adjustment portion, and second end supports seat cushion.本創作揭露一種輔助椅,包括一椅座、至少一椅腳、一座墊、一調整組件以及一彈性支撐件。至少一椅腳支撐椅座。座墊設置於椅座。座墊透過調整組件設置於椅座,調整組件包括具有第一調整部。彈性支撐件設置於座墊與椅座之間,且彈性支撐件包括第一端與相對第一端的第二端,第一端樞接第一調整部,第二端抵頂座墊。