PURPOSE: An air inserting apparatus is provided to easily insert air into inside of air inserting product like synthetic resin especially toy of PVC material as well as lowering manufacturing cost and saving manufacturing time. CONSTITUTION: An air inserting apparatus comprises the air inserting unit(104) of cylinder having hollow; the supporter(106) of triangular pyramid supporting air inserting unit of the cylinder; the friction plate(108) of circle adhering to the main body accommodated on the accepting hole of the main body as installed along the lower supporter of the triangular pyramid; the desert preventive wing(110) to avoid deserting from the accepting hole due to narrow top of the air inserting device when the air inserting device is placed on the accepting hole of the main body; the cut out unit(112) ejecting air to exterior or inserting air into interior; and the protrusion(113) preventing the opening of the cut out unit by supporting the lower air inserting unit of the cylinder.
