Model introduction: Through the Liaohe River Governance Exhibition, people can understand the origin of the Liaohe River, the ecology of the ancient Liaohe River, the history and current situation of Liaohe River pollution, the importance of Liaohe River governance, clarify the responsibility for Liaohe River governance, and strengthen the belief in Liaohe River governance , to understand the future of a beautiful Liaohe ecological civilization.