To provide a highly humidity adjustable inorganic diatomaceous paint finishing material that prevents dew condensation and mold growth, having odor drowning effect, without generating indoor chemical pollutants.

This quick hardening, highly humidity adjustable inorganic diatomaceous paint finishing material includes 5-15 wt.% quick hardening cement, 15-35 wt.% Portland cement, 5-30 wt.% calcium hydroxide, 5-30 wt.% plaster, 10-50 wt.% diatomite, 10-30 wt.% inorganic light aggregate, 0-5 wt.% fiber, 0.1-10 wt.% powdery thickening agent, 0.5-10 wt.% re-dispersive powdery resin as its essential components.