The invention discloses a holographic projection numeralization simulation experiment platform and an application method thereof. The holographic projection numeralization simulation experiment platform includes a modeling mechanism and a loading scanning mechanism; the modeling mechanism is provided with a slide rail, a transparent template, a bottom bracket, a transfer motor, a stress slice, a pore pressure gauge, an infusion microtube, and a coal seam simulation material; the loading scanning mechanism is provided with an X-ray emitter, an X-ray receiver, a bearing sealing plate, a communicating hole, a hydraulic jack, a loading plate, a waste liquid pool, a holographic projection displayer, a projection cover, a model projection pattern, a data line, a liquid discharge pipe, an oil pressure pipe, valves, hydraulic pressure gauges, pressurization pumps, dissolved liquid pipelines, a dissolving liquid, water delivery pipes, liquid storage pools, a bus, and a central server. The modeling mechanism is used for modeling, the loading scanning mechanism is used for solid loading, liquid loading, coal seam re-mining, X-ray scanning, holographic projection and data processing, the three-dimensional numeralization and visualization analysis of a physical model are achieved, and valuable data are provided for scientific researches and prevention of mine disasters.