Abstract: The three times industry adjustments in marine economy has its evolving law, from the initial‘first, third, second’ industrial composition, then‘third, first, second’,‘second, third, first’ stage of evolution, and finally the formation of ‘third, second, first’ structure type. This makes the three times industry adjustments jointly promote the development of marine economy. This essay analysis China’s contemporary marine economy development, meanwhile points out China marine economy’s problem in industry structure, high-tech marine industry, growth pattern and skilled worker in marine technology. Solutions will be given on improving modern marine industry service system, establishing high efficient platform for technology and management, bringing in and training for skilled workers, promoting professional specification within the marine industry and focusing on marine-land industry’s joint development.