Abstract: A luggage inflatable structure includes a sleeve fixedly mounted in the housing of a luggage, an air bag received in a bottom lining and the periphery of the housing of the luggage, and a pull rod having a piston located on the bottom end thereof and movable up and down in the sleeve for pumping air into the air bag so that storage items are held firmly in position when the air bag is inflated, avoiding storage item damage or noises during carrying or delivery of the luggage.