In the new era, the development level of marine industry in Zhejiang province has been improved rapidly, and a series of marine development concepts and requirements have been implemented one after another, which plays an important role in improving the current situation of marine environment. With the deepening of marine development, the current situation of marine environment in the new era has become complex and diverse. How to make the relevant concepts and requirements of marine development to cope with and adapt to various new problems in the development process has become the key to promote the continuous improvement of marine development level.