A towing device of welfare vehicle including a motor, a belt base, a transmission mechanism, a towing belt and stopper mechanism is provided in the present disclosure. A reel is arranged on the belt base. The transmission mechanism is power transmitted between the motor and the reel. An end of the towing belt is a winding end and the winding end is wound on the reel. The stopper mechanism is inclusive of a ratchet and a pawl, the ratchet is reared by the reel, the pawl is engaged with ratchet along a single rotation direction of the ratchet, and the pawl is able to be disengaged from the ratchet via swing. Therefore, wheelchair can be caught up to/ down from a welfare vehicle easily and safely by the towing device of welfare vehicle of the present disclosure.一種福祉車的牽引裝置,其包含一馬達、一帶座、一傳動機構、一引帶以及一止擋機構。帶座上設有一捲帶輪。傳動機構動力連接馬達及捲帶輪。引帶的一端為一捲繞端,且捲繞端纏繞於捲帶輪。止擋機構包含有一棘輪以及一棘爪,棘輪連動捲帶輪,棘爪沿棘輪的單一旋轉方向嚙合棘輪,且棘爪能夠樞擺作動而脫離棘輪。因此本創作的牽引裝置能夠便利且安全地拖/放輪椅。100‧‧‧座板200‧‧‧馬達300‧‧‧控制單元400‧‧‧帶座410‧‧‧捲帶輪421/422‧‧‧擋桿500‧‧‧傳動機構600‧‧‧引帶601‧‧‧捲繞端700‧‧‧止擋機構710‧‧‧棘輪720‧‧‧棘爪730‧‧‧致動器910‧‧‧定位導輪