Abstract: The existence of marine garbage has seriously affected the ecological environment quality of offshore areas in China. The environmental protection of offshore areas is an essential part of the construction of ecological civilization in our country. According to the relevant documents and policies of garbage management of the offshore areas recently issued by China， and combining with the actual situation of marine garbage in the Chinese offshore area， the marine sanitation system was constructed from the technical point of view. The service technology routes of the whole process of marine sanitation， the overall operation mode of marine sanitation and the framework and functions of the intelligent management and control platform were discussed. The necessity of the sea and land coordination during the constructing， operation and maintenance of the marine sanitation system， the multi-department and multi-professional collaboration， establishing and improving the standardization of consultation and designing for the whole process of the marine sanitation system were put forward.

Key words: marine waste, marine sanitation, intelligent platform, offshore area