Visualization of complex geological structures can provide guarantee for safe and efficient mining of coal resources, and is also a hot research topic in the field of coal. Taking the 3103 mining face of Mataihao coal mine in Ordos as the engineering background, this paper puts forward a construction method of fault structure visualization platform, which mainly includes three steps of three-dimensional interpolation of multi-physical field data, geological modeling and data in-situ restoration, and the visualization of fault structure and rock pressure characteristics are realized. The research results show that there is a fault running through the rubber transport channel obliquely at 1170m from the cutting hole in the 3103 mining face of Mataihao coal mine, and the visual platform visually shows the shape and distribution of the fault. When the mining face passes through the fault, the distribution of rock pressure is extremely irregular. The interval of periodic pressure is 45.9% lower than the average value of normal mining, and the duration of pressure is 70% higher than the average value; The pressure distribution of the hydraulic support along the inclined direction of the mining face is relatively uneven, and the pressure value of the support near the fault side is small. The pressure of the working face is generally distributed in an "n-type" line with the fault plane as a valley. During normal mining, the pressure is relatively uniform and distributed at intervals.