A flexible protective device includes: a body having a heating portion disposed therein and an electric wire connected thereto, and a ring is disposed on each side of the ring； a winding piece is sleeved on the collar and is uncrimped Forming a recess at one end； a power supply portion is disposed at one end of the winding piece and connected to the electric wire； at least one button is connected to the power supply portion and fixed to the winding piece, the button is provided with a circuit board and has at least one indicator light, The power supply unit is a USB socket connected to a wire of the main body or a wire connected to the main body of the main body and has a plug for extending the electric wire, and the main body and the winding piece are covered with a covering layer. Thereby, the winding piece can be freely held, the time and labor can be automatically curled and the heating part can be bonded, and the power supply part and the at least one button respectively control the opening and closing of the power supply of the heating part and the heating temperature of the heating part.一種可撓式護具裝置，包括：一本體，於其內部設有一加熱部且連接一電線，且其兩側分別設有一套環；一捲片，係穿套於套環且於未捲曲呈直線並於一端形成一凹部；一供電部，設於捲片一端且連接於電線；至少一按鈕連接設於供電部並固定於捲片，該按鈕設有一電路板且具有至少一指示燈，該供電部係與本體其電線連接之一USB插座或與本體其電線連接並具有延長電線之插頭，該本體及捲片包覆有包護層。藉此，能利用捲片免握持，省時省力自動捲曲並將加熱部貼合，並利用供電部及至少一按鈕分別控制加熱部其電源之開與關及加熱部加熱溫度之強弱。
