本文介绍了河流与水库泥沙冲淤过程计算数学模型多年来在生产实际中应用的情况.文中概括了该模型的建立过程,方法的特点,验证的情况以及应用的实例.同时在对该模型成果作出评价的基础上,结合目前国内外泥沙数学模型的发展提出一些新的认识. This paper introduces the application of the mathematic model of erosion and deposition process of rivers and reservoirs in production practice for many years.This article summarizes the establishment process of the model, the characteristics of the method, the verification situation and the application examples.At the same time, Based on the evaluation results, combined with the current development of sediment mathematical model at home and abroad put forward some new understanding.