Abstract:taking the Chuhe River Basin in Jiangsu Province as the research object, according to the water resources allocation scheme and the decomposition results of total water use control indicators, and taking into account the relationship between surface and underground conversion, main stream and tributary, in river and out of river, water and consumption, reasonably determine the water distribution scheme of cities in Chuhe River Basin in Jiangsu Province, and put forward important control sections and control indicators, Promote the rational allocation of water resources, maintain a good ecological environment and save and protect water resources.