In 2022，the 20th National Congress of the Communist Party of China opened a new stage of chinese modernization development，and clearly put forward the goal of promoting cultural self-confidence and self-improvement，and casting a new brilliant cultural construction goal of socialist culture. Based on the new goals and new requirements of China’s socialist cultural construction，China’s Marine Intangible Cultural Heritage（Hereinafter referred to as “marine heritage”）adheres to the people-centered creative orientation in practical work，explores and innovates，and introduces more outstanding works and achievements of intangible cultural heritage that can enhance people’s spiritual strength. In 2022，“marine heritage” has made some important achievements and progress in its development，forming a new development situation of cultural and plastic tourism and tourism and cultural promotion，the forms of deep cultural value are gradually diversified，the influence of international communication and influence is increasing，the relevant protection and inheritance mechanism is constantly improved，and the brand shaping force and Creation force are significantly improved. In 2022，China’s “marine heritage” has three highlights in terms of protection measures，namely，actively exploring the new mode of modern integration and development of “marine heritage”，actively constructing attractive “marine heritage” theme activities，and constantly creating a new business development mode of “marine heritage+” carrier. In 2022，China’s “marine heritage” has made achievements，but at the same time，there are also some development problems，such as the imperfect system and mechanism of overall protection，the inadequate implementation of protection and management，and the blocked development potential of digital protection means. The next step is to take effective measures to solve these problems.