Abstract: The paper focuses on seven of the venues where the substation project engineering geological conditions, including the main venue of the topography, the formation lithology, geological structure, soil characteristics and the stability of the venue and make Lanping County, seven of the substation project in the eastern part of Lanping County, for a building, the frame structure, mainly for electrical Investigation is to identify the main content of the construction site within the scope of the engineering properties of soil, spatial distribution, whether adverse geological phenomena, in the area of seismic fortification of anti-seismic construction favorable, unfavorable or dangerous areas to determine the soil type, the type of venue , Liquefaction, and the stability of the site suitability assessment, and so On the basis of survey results through the design of a demonstration, and to secure a reasonable basis for the design of economic Key words: seven of the substation geotechnical engineering investigations Foundation