Provided is a method of controlling an intelligent river inundation alarming system, the method including acquiring river image information from at least one image acquisition device, extracting an analysis target image from the acquired river image information, performing image analysis engine learning on the basis of the extracted analysis target image, analyzing real-time river image information acquired from the image acquisition device using the learned image analysis engine, and determining whether a river is inundated on the basis of a result of the analysis of the real-time river image information.