河流为人类提供了赖以生存的水源。但是,洪水和河道变迁,又会给沿河带来损失和灾难。河道管理的宗旨就是扬其利而避其害。其目的就是通过采取各种管理措施,促进河道的良性循环,合理有效地利用河道资源,最大限度减免河流危害。笔者认为河道管理业务可概括为以下六个方面: The river provides humanity with a source of water upon which to survive. However, the floods and river channels will bring losses and disasters to the rivers. The purpose of river management is to promote its benefits and avoid harm. Its purpose is to adopt various management measures to promote the virtuous circle of the river and to make rational and effective use of the river resources to minimize the harm caused by the river. I believe that river management business can be summarized as the following six aspects: