A stairlifting chair with an emergency stop function for mounting on a track, the stair chair includes: a seat body； a transmission device disposed behind the seat body, the transmission device and the track Connecting, and driving the seat body to move relative to the track； a plurality of sensing units respectively disposed on the seat body and the transmission； a control circuit board disposed on the seat body and coupled to the transmission The device and the sensing units are electrically connected to control the actuation of the transmission device； thereby, when any of the sensing units is triggered, the control circuit board controls the transmission device to stop the seat body Mobile, in order to achieve the effect of emergency stop, in order to protect user safety.一種具有緊急煞停功能的樓梯升降椅，用以裝設在一軌道上，該樓梯升降椅包括有：一座椅本體；一傳動裝置，設置於該座椅本體後方，該傳動裝置與該軌道連接，並可驅動該座椅本體相對於該軌道移動；複數個感測單元，分別設置於該座椅本體以及該傳動裝置上；一控制電路板，設置於該座椅本體，並與該傳動裝置以及該些感測單元電性連接，用以控制該傳動裝置的作動；藉此，當任一該感測單元受觸發時，該控制電路板控制該傳動裝置，以使該座椅本體停止移動，藉以達到緊急煞停的效果，藉以保護使用者安全。
