Lakes are an important part of the river system in Nanchang,Jiangxi.They are an important space for flood storage,and play an irreplaceable role in flood control,water supply,and ecological regulation.For a long time,the open channel of the Second Chuangxin Road in Nanchang High Tech Development Zone and the water system of Nantang Lake have some prominent problems,such as serious pollution,substandard water quality,ecological deterioration,insufficient aging of water conservancy facilities,poor water appearance in urban parks,destruction of biological habitats,and degradation of lake functions in different degrees.According to the characteristics and prominent problems of the water system of Nantang Lake,the implementation of comprehensive ecological management is an important institutional guarantee to strengthen the management and protection of the lake,improve the ecological environment of the lake,maintain the healthy life of the lake,and realize the sustainable use of lake functions,which is also a specific measure to strengthen the construction of ecological civilization.