The study of artificial slope stability has been a key item of geological engineering projects. Though more evaluation methods are available,result of stability evaluation simulation does not explain the actual problem owing to the diversified geological engineering factors and complexity. The author made a detailed study based on surveys of large amount of geological engineering research on Donggang Power Plant slope project,discussed the comprehensive factors influencing the project,and gave analytical calculation and evaluation to the improved response surface of the slope project. The study result shows that the slope is stable,which can provide scientific basis for designing the slope. The study of artificial slope stability has been a key item of geological engineering projects. Although more evaluation methods are available, result of stability evaluation simulation does not explain the actual problem due to the diversified geological engineering factors and complexity. The author made a detailed study based on surveys of large amount of geological engineering research on Donggang Power Plant slope project, discussed the comprehensive factors influencing the project, and gave analytical calculation and evaluation to the improved response surface of the slope project. The study result shows that the slope is stable , which can provide scientific basis for designing the slope.