From the definition of geomorphic hazards,this paper expounds four basic topics should be solved for the prediction and forecast of geomorphic hazards.

• 从地貌灾害的定义入手,阐述了地貌灾害预测预报需要解决的四个基本问题、解决这四个问题的二种途径,以及进行预测预报的四种方法。