China's marine economy is in a period of rapid development .It makes a significant contribution to China's social and economic development. Our government has also made plans for the development of China's marine economy and promoted the “marine power” to the national strategy. And to develop the ocean economy， it is imperative to focus on marine strategic emerging industries to cultivate and develop. Therefore， this paper analyzes the development situation of marine strategic emerging industries in representative provinces， and analyzes the restrictive factors of the development of marine strategic emerging industries in order to deepen the understanding of marine strategic emerging industries and promote the development of marine economy in China.Then this paper puts forward some Suggestions for the future development from the theoretical framework of improving the Marine strategic emerging industries， enriching the research methods and focusing on the training of Marine scientific research talents.