Multifunctional inflatable cushion support

The utility model provides a multifunctional inflatable cushion support which relates to the technical field of inflatable cushions and comprises an integral structure and limiting structures, and the limiting structures are located on the front outer surface and the rear outer surface of the integral structure. The overall structure comprises a supporting plate, a head air cushion and a lower body air cushion, an upper body air cushion is fixedly connected to the center of the top of the supporting plate, and first gas sensors are fixedly installed on the two sides of the inner bottom of the supporting plate; according to the adjustable air cushion, when the distance among the head air cushion, the supporting plate and the lower body air cushion needs to be adjusted, a user needs to pull out the positioning pin, so that the positioning pin does not limit the first sliding block, the second sliding block and the third sliding block any more, and therefore the distance between the head air cushion and the supp