An inflatable type shoulder joint rotator cuff rehabilitation device comprises an inflatable vest wearable by a user an inflation pad with one side connected to the inflatable vest, such that the inflation pad substantially extends downwardly from the armpit position at one side of the user to the waist position of the same side a combination inflation bag comprising a plurality of elongated inflation bags each forming a triangular cross section after being inflated, and these elongated inflation bags are juxtaposed to each other by aligning the triangular cross sections after inflation, such that the combination inflation bag exhibits a sector-like cross section after inflation, the combination inflation bag having one end connected to the inflation pad an inflatable sleeve used for fixing users arms and connected to the other end of the combination inflation bag and a deflation/inflation mechanism for controlling the inflation degree of the combination inflation bag.一種充氣式肩關節旋轉肌群復健器,包含:一充氣背心,以供一使用者穿戴;一充氣墊,該充氣墊之一側連接於該充氣背心,使該充氣墊大致自該使用者一側腋下位置,向下延伸至同一側腰部位置;一組合充氣囊,該組合充氣囊包含複數個長條狀充氣囊,該等長條狀充氣囊之每一個充氣後之截面為三角形,且該等長條狀充氣囊以充氣後三角形截面對齊之方式併排相接,使得該組合充氣囊充氣後之截面呈現一扇型,該組合充氣囊之一端,連接於該充氣墊;一充氣袖套,用以固定該使用者之手臂,該充氣袖套連接於該組合充氣囊之另一端;以及一充放氣機構,該充放氣機構控制該組合充氣囊之充氣程度。10‧‧‧充氣式肩關節旋轉肌群復健器100‧‧‧充氣背心101‧‧‧小鐵鉤102‧‧‧溝槽103‧‧‧肩帶200‧‧‧充氣墊300‧‧‧組合充氣囊301‧‧‧長條狀充氣囊302‧‧‧長條狀充氣囊303‧‧‧長條狀充氣囊400‧‧‧充氣袖套401‧‧‧前臂輔具402‧‧‧長條金屬403‧‧‧長條金屬500‧‧‧充放氣機構501‧‧‧軟管502‧‧‧軟管503‧‧‧軟管