A device for promoting blood circulation comprises a wrapping unit, an elastic bag body and a gas control unit. The wrapping unit can be detachably wrapped around a human ankle. The elastic bag body is arranged inside the wrapping unit and has at least one inflatable space. The gas control unit is connected to the elastic bag body, and can conduct intermittent gas inflation and deflation in a circulation way to the elastic bag body. In this way, the blood in the blood vessel of feet can easily flow back to the heart to alleviate feet swelling problem and help blood circulation.一種血液循環促進裝置,包含一包覆單元、一彈性囊體及一控氣單元,該包覆單元可卸離地環繞在人體腳踝處,該彈性囊體設置在該包覆單元內部,並具有至少一充氣空間,該控氣單元連接於該彈性囊體,且可對該彈性囊體進行循環式之間歇充氣、放氣。藉此,可使腳部血管中的血液容易流回心臟,以減輕腳腫問題及幫助血液循環。10‧‧‧包覆單元11‧‧‧第一端部12‧‧‧第二端部13‧‧‧公黏扣件14‧‧‧母黏扣件20‧‧‧彈性囊體21‧‧‧充氣空間30‧‧‧控氣單元31‧‧‧充氣管32‧‧‧殼體
