Abstract: Chongqing has frequent and complex types of floods, with heavy flood control tasks and enormous pressure. In order to clarify the ideas and methods of flood disaster response, enhance the city's flood disaster prevention capacity under extreme weather conditions, and further improve the disaster prevention and reduction systems, taking the 2023 Chongqing flood disaster prevention practice as the starting point, a review and analysis of the flood situation and problems faced in Chongqing is conducted, and flood disaster prevention measures are summarized. The research results can provide reference for flood disaster prevention in other provinces and cities.