Adjustable inflatable back cushion

The utility model discloses an adjustable inflatable back cushion which comprises a back cushion body. The air bag is arranged on one side of the back cushion body and located on the side away from the back of the human body; one end of the cushion is positioned at the lower end of the back cushion body and is connected with the lower end of the back cushion body; the lower end of the cushion can enable the cushion to be arranged in front of or behind the back cushion body in a flexible connection manner; the air bag is a fan-shaped air bag, a stable triangle is formed by the back cushion body, the air bag and the cushion, the angle of the whole back cushion is adjusted by adjusting the amount of air in the air bag, and therefore people can use the back cushion more safely, conveniently and comfortably. Compared with the prior art, the back cushion is simple in structure, reasonable in design and convenient to store and carry. 实用新型公开了一种可调节充气靠垫，包括：靠垫体；气囊，所述气囊设置在所述靠垫体的一侧、且位于远离人体背部的一侧；垫子，所述垫子的一端位于所述靠垫体的下端，且与所述靠垫