Multimedia learning software refers to the use of multimedia computer to comprehensively process and control text, graphics, images, animation, audio and video and other media information, and the multimedia elements according to the requirements, organic combination, while completing a series of random human-computer interactive operations. According to the requirements and characteristics of multimedia learning software, with the help of Authorware 5.0 and combined with the actual requirements of the water supply pipe network model simulation calculation software, the multimedia learning software of the water supply pipe network was developed. This software has diversified expression content, non-linear hypermedia information organization structure and flexible and convenient interaction mode, which helps users better understand and use water supply network software.