The invention relates to a suspension press type air valve of a vacuum bag. The suspension press type air valve comprises a bottom valve and an upper cover, wherein the bottom valve is in a circular disc shape, and an inner concave cavity is formed in the middle of the upper end of the bottom valve; the upper cover is movably arranged in the inner concave cavity in an embedded mode, a valve platefor covering an exhaust hole is arranged at the bottom of the inner concave cavity, and a positioning column is arranged in the middle of the lower end of the exhaust hole; and the valve plate comprises an umbrella-shaped gasket main body and an inserting column which is arranged in the middle of the lower end of the gasket main body and is embedded into the positioning column, an air pumping holeis formed in the upper end face of the upper cover, and a supporting column in contact with the valve plate is arranged in the middle of the upper cover. The suspension press type air valve of the vacuum bag is simple in structure and few in parts, the brand-new valve plate and upper cover are adopted, so that the sealing effect is good.