Abstract: Constructing ecological demonstration areas is a key approach to maintain the sustainable development of ecology, living and production in Liaohe Conservation Area. Aiming at the main ecological and environmental problems, and combined with the current status and characteristics of ecological environment as well as resource and environmental carrying capacity of Liaohe Conservation Area, the ecological demonstration areas were divided into different main functional zones, applying methods of natural environment systems analysis, eco-environment sensitivity assessment and ecosystem service function assessment, etc. Then, Liangzihe estuaries ecological demonstration area, Gonghe estuaries ecological demonstration area, Yinzhou district ecological demonstration area of Tieling city, Juliuhe ecological demonstration area and Mahusan ecological demonstration area were chosen as five typical cases to elaborate how to design and construct ecological demonstration areas of the different main functional zones. The economic, ecological and social benefits of the ecological demonstration areas after construction were also analysed.