Nowadays,the maritime military powers represented by the United States have formulated deep-sea military technology development plans one after another. They increase their strategic investment in the deep-sea and compete for the dominant power in the formulation of marine rules. The deep-sea is becoming an important battlefield and the commanding point of military competition in the future intelligent warfare. In order to deeply understand the future trend of US deep-sea battlefield construction and lay down reasonable strategies,the development of US deep-sea battlefield construction is studied. The development status of US deep-sea battlefield engineering facilities,deep-sea battlefield weapons and equipment,deep-sea information system are introduced, and development trend of US deep-sea battlefield construction is summarized. Therefore,the thinking and enlightenment of China's deep-sea battlefield construction and development are put forward.