Nowadays the rock and soil load of anti-sliding slope support structure adopts active earth pressure in soil pressure theory, and sometimes the relatively larger value of residual slide force in transmitting coefficients method, while the rock and soil load calculation of anti-sliding landslide support structure adopts residual slide force, and sometimes the relatively larger value of active earth pressure. This paper analyzes the existing problems in value adoption methods and presents the back-analysis method based on stability calculation formula, which can remedy the pitfalls in the existing value adop-tion methods.%当前，在我国工程界，边坡抗滑支护结构岩土荷载取土压力理论中的主动土压力，有时也取它与传递系数法中剩余下滑力的较大值；滑坡抗滑支护结构岩土荷载计算取剩余下滑力，有时也取它与主动土压力的较大值。该文对这种岩土荷载取值方法存在的问题进行了分析，提出了按稳定性计算公式反算法，该方法能弥补现行岩土荷载取值方法的不足。
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