Abstract: The stability analysis of high and steep rock slope is a complex system engineering issue.The problem analysis, research, evaluation and design are involved in mathematics, mechanics, geological background and environmental conditions.A comprehensive, integrated approach is to examine the analysis and solution to the problem.Slope stability analysis using arc Sweden, Swedish sub-article law obtains a lot of spreadsheets, and the workload is heavy.In this paper, a very radio Stereographic projection and analysis of a circular chart are used to analyze the rock high and steep slope, which reduce a large number of calculation.A preliminary evaluation of its stability is conducted, which can be used as the reference for the analysis of detailed following analysis of the slope stability.