Inflatable seat cushion

The utility model relates to an inflatable seat cushion; the inflatable seat cushion comprises an inflation cavity formed by two layers of airtight materials; a plurality of binding points are arranged on the inflation cavity; the binding points bind the two layers of airtight materials with each other and form a concave-convex surface on the inflation cavity; and the inflation cavity is further provided with an inflation hole. The surface of the inflatable seat cushion is the concave-convex structure and meanwhile is provided with a plurality of vent holes; compared with a common cotton fabric cushion, the inflatable seat cushion has the significantly advantages of being good in looking, being ventilate, and meanwhile being capable of insulating heat in summer and keeping warm in winter; the inflatable seat cushion can be used as a seat cushion and back cushion as well, and is comfortable and convenient; meanwhile the rigidity can be adjusted conveniently, thus the space is saved and the seat cushion is conv