Abstract: Present status of marine biodiversity as well as the impacts of human activities were analysed in this paper.The policies,laws,and regulations formulated by the State Oceanic Administration for protecting and managing marine biodiversity were introduced.The paper also summarized the development of scientific investigations and researches on marine biodiversity,the construction of monitoring system on marine ecological environment,the management of marine nature reserves,and the sustainable use of marine biodiversity.On the basis of the present situation,a series of management strategies were put forward:1)to establish early warning system and to enhance the capacity for catastrophe handing;2)to integrate the management of biociversity into the regional economic and social development program;3)to coordinate efforts among institutions and legislation on biodiversity management and 4)to manage biodiversity based on ecosystem function and public participation.