The Xiong'an New Area is located in the plain to the east of the Taihang Mountains, where the shallow strata within 100 m under the earth's surface mainly consist of alluvial-proluvial and alluvial-lacustrine sand beds and clay layers, with excellent engineering geological conditions. Through engineering geological investigations, the China Geological Survey has obtained data of the strata, standard penetration and tests of more than 100 boreholes, thus forming a system of techniques and methods in the Xiong'an New Area, and establishing the engineering geological borehole database and a three-dimensional model. This will provide strong support for the future planning and construction in the Xiong'an New Area. This paper introduces data acquisition, data integration, geological data processing technology in engineering geological investigation, and explores the method using 3D visualization software to establish the 3D structure geological model, in a bid to provide reference for urban geological survey and dataset processing with the real application of a engineering geological dataset in the Xiong'an New Area.