Abstract: Marine observation has been integrated into a united network from different platforms of land, sea, and air, which is the inevitable trend of development. Nevertheless the ability to measure undersea environment in China is extremely weak. After reorganizing some developed countries' policies, major projects, and key technical equipment, and analyzing the current issues confronted, some suggestions of development strategy are put forward in this paper as the reference for managers and researchers.

Key words: seafloor observatory network, civil-military integration