a foam material generator has a housing ; transmission device on the housing ; housing cavity within the housing ; pressurizing stirring foaming wheel within the cavity ; transmission device transmission shaft connected to the wheel ; pressurizing stirrers on the wheel ; pressurizing stirrer airflow - facing surface forms an inclined angle with a cross sectional surface in a wheel rotational axis direction ; housing cavity inlet is on a cavity end , and a housing cavity outlet is on another end ; encircling abrasive disc is on a cavity inner wall adjacent to the outlet ; encircling abrasive disc inlet is at a encircling disc middle portion ; vortex current abrasive foaming disc is on a wheel end adjacent to the encircling disc ; vortex current abrasive foaming disc surface conforms to be in close proximity with an encircling disc surface ; and vortex current abrasive foaming cavity is between the surfaces of the vortex current abrasive foam disc and encircling disc .