This paper analyzes the demand of integrated energy in typical industrial parks. Based on this, the typical morphological characteristics of the integrated energy system in future industrial parks are analyzed, including the combined cooling, heating and power for distributed energy stations, the PV-ESS microgrid in industrial parks, small hydropower plus decentralized wind power in industrial park, active distribution network with energy interconnection in industrial park and multi-energy complementation based integrated energy system. Then, the characteristics of the multi-energy complementation, the deep integration of physical information, and the coordination and interaction of the source, network, load and storage of integrated energy system in industrial parks are analyzed. Finally, combining with the existing conditions in energy and information infrastructure and energy market of China, this paper discusses the evolutionary route of the integrated energy system in the industrial parks from three stages of the short-term, mid-term and long-term development.