Normalization of COVID-19 puts forward new requirements for the control mechanism of water conservancy scenic area. In order to further promote the effectiveness of the Red Flag Canal management and enhance the economic and social benefits, the tourism ecosphere system of Red Flag Canal, combined with the Ecosystem Model of Bronfenbrunner and the characteristics of Red Flag Canal, is summarized. It consists of the micro-system, middle-environment system, external assurance system, and macro-environment system of the ecosphere. Finally, for the control mechanism, it is suggested to construct a three-element coordinated organizational structure, improve the operation guarantee system and optimize the macro-environment system.