Marine instrumentation industry is an important part of the strategic emerging industries and marine equipment manufacturing industries，and an important direction for high-end equipment manufacturing industry.Marine instrumentation is the leading industries for the development of marine economy，which has the advantages of knowledge and technology intensive，high level of technology，less resource consumption，development potential，good comprehensive benefits and so on.In this paper，the present situation of marine instrumentation at home and abroad are analyzed in detail，especially on marine instrument research，industry development，market demand and development trend.Finally，make suggestions from the improvement of policy support system，strengthen discipline research，establish and improve the upstream and downstream industry chain，adjust the industrial structure，deepen cooperation between industry and academia，accelerate industrial upgrading，play a leading role in making recommendations.