Abstract: By analyzing the cause of errors in complex landslide investigation，the method of establishing dynamic engineering geological model of the complex landslide is proposed on the basis of the information method．Due to this model，errors and mistakes in complex landslide investigation can be reduced and the investigation accuracy can be improved，which is in favor of a better prevention and reduction against the disaster．

Key words: andslides, information method, investigation method, landslide model

摘要： 通过分析复杂滑坡勘察误差产生原因，基于信息法原理，提出建立复杂滑坡动态工程地质模型的基本方法。从 而减少复杂滑坡勘察中的错误和误差，提高勘察精度，为滑坡整治设计、施工提供科学依据。

关键词: 滑坡, 信息法, 勘察方法, 滑坡模型