The inflatable mattress is an inflatable structure, the design of the inflatable structure determines the size of the epansion of the mattress after inflation will be adjusted by the size of the actual space. Before inflating, left and right open the door, front seats forward as far as possible adjustment; complete after aerated can through the door, front seat after the transfer, on the bed body produce etrusion and adjustment effect to the height of the bed and space anastomosis and fastening effect