Geographic information system (GIS) is a powerful tool to store, to manipulate and to analyse large spatiotemporal data and it has been applied to the research for marine fisheries since late 1980. s. The development of marine fishery geographic information system can be divided into three phases: mapping, electronic atlas and information system. It has been used in evaluation of fish habitats, relating fish distributions to environment, site selection for mariculture and building the position related fishery database, etc. And it can also be applied to the fishery modeling, artificial enhancement, fishing quotas management, etc.