This study systematically analyzed the current situation，main problems，and new needs of water security in Jiangxi Province，and put forward the overall idea and layout of water security in Jiangxi Province during the 14th Five-Year Plan period.At the same time，some countermeasures for constructing the water security system of the 14th Five-Year Plan in Jiangxi Province during the new era were put forward，from the four aspects of three water conservancy safety（improving flood control safety，water supply safety and ecological safety）and supervision level.