Abstract:Strengthening the marine environmental management is an important measure to realize the marine powerful strategy. With the “Internet Plus” era coming, the citizen via network participating in the public affairs, especially the marine environmental governance, unprecedentedly, influence the public policy agenda continuously. However, the related research of marine environmental management doesn’t mention the “Internet Plus” application mode, rarely considering the importance of citizen participation in decision-making. Therefore, with the body for the marine environmental management and the “Internet Plus” driving force(Big Data and Crowdsourcing), this paper constructs, the function for integrating the public opinion and the wisdom of people drawing double functions in one, and the dynamic mechanism for the top-down government power traction and the bottom-up public forces, a new model of “Government-NGO-Public” management decision fusion, thus pointing out the feasibility of the new model in the practical demand, the system cost and practical ability, and the superiority of the citizen participation in practice.