In 2022，new breakthroughs were made in marine legislation on the basis of established achievements，and China’s marine legal system achieved remarkable results with the adoption of a number of specialized marine legislation and the initial formation of a marine legislative system. The main achievements include：firstly，the Law of the People’s Republic of China on Wetland Protection came into effect on 1 June 22；secondly，the amendment of a number of rules or policies relating to the sea in the agricultural and rural sectors；thirdly，the Supreme People’s Court listed 22 years of typical sea-related cases，providing a good reference for China’s marine judicial enforcement and legal system development；fourthly，a series of sea-related plans were issued ［ sea-related plans include but are not limited to marine environmental governance，three-dimensional stratification of sea areas，green and low-carbon development of the marine economy，marine biodiversity，etc.］ For example，policies and plans such as the Special Action Plan for Mangrove Protection and Restoration（2020-2035）and the Major Project Construction Plan for Ecological Protection and Restoration of Coastal Zones（2021-2035）；Fifth，China’s participation and Chinese solutions in the development of the international maritime legal system in 2022.