Four reservoirs, including the Sanmenxia, Xiaolangdi, Luhun and Guxian Reservoir, play important role in flood control system of midstream and downstream in the yellow River.

• 摘要黄河中游四库（三门峡、小浪底、陆浑和故县水库）在中下游的防洪体系中有着重要的地位，也对黄河中下游的水资源分布产生很大的影响。