The invention discloses an ion gas cleaning device used for packaging containers, comprising a mechanical air valve, an air supply control cam, an ion air spraying gun, a pumping suction cylinder, an electromagnetic air valve, a bottle detection sensor and an electric control box; the input port of the electromagnetic air valve is communicated with the environment; the output port of the electromagnetic air valve is connected with the input port of the mechanical air valve by a ventilation pipe; the output port of the mechanical air valve is connected with the bottom of the ion gas spraying gun by a compressed air pipe; the mechanical air valve is matched with the air supply control cam in a contacting way; the electromagnetic air valve, the ion gas spraying gun and the bottle detection sensor which is fixed on a bottle-washing station are connected with the electric control box by a power line and are controlled by the electric control box. The device used for packaging the containers has the advantages of simple and compact structure, low cost, simple and convenient operation, good working stability, and capability of improving the cleaning effect.