Anti-fouling coatings had gradually become the most widely used antifouling technology due to their controllable performance，ease of use，economic efficiency and other advantages. At present，how to solve the problem of“violent release”of antifouling agent in the coating to realize green and long-lasting antifouling was a technical problem that domestic and abroad researchers and scholars focused on，and the development of green and efficient marine antifouling coatings had become the focus of the research and the main direction of development. In this paper，the chemical biocidal and environmentally friendly marine antifouling coatings were briefly introduced，and the characteristics，mechanisms and research progress of the four mainstream controlled release technologies of antifouling agent，namely，microcapsule coating，microtubule adsorption，temperature-sensitive hydrogel and molecular sieve，were discussed in the context of controlled release. On this basis，the problems of each technology were sorted out，corresponding solution measures are proposed，and a new type of intelligent controlled release material“metal-organic framework”was explored as a direction. Finally，on the basis of the technical summary，an outlook was made from the perspective of realizing win-win and synergistic development of marine pollution prevention and environmental protection.