介绍了上海2020年的供水需求、水源配置方向和10多年来本市两次青草沙水源地研究的主要成果,并根据1998年长江特大洪水后南北港分流口河势变化,结合长江口整治规划报告,修订研究近期对青草沙水源地研究的初步成果,提出青草沙水源地新的水库方案设想。 This paper introduces the water supply demand in 2020, the direction of water resources allocation and the main achievements of the research on Qingcaosha water source in the city over the past 10 years. According to the changes of the diversion currents at the North and South ports after the 1998 Yangtze River flood, combined with the regulation of the Yangtze River Estuary Report, revised research on the recent results of the research on Qingcaosha water source, put forward the idea of ​​a new reservoir program Qingcaosha source.