The 1321 century is the century of the oceans. In the past few years, the world s powers have developed the characteristics of competition, competition and control of the oceans. The highlight of this is the march to the deep ocean. However, there is a hidden killer, and it will have a profound impact on the future global political landscape, military strategy and international relations. At the same time, controlling the deep sea will be decisive for winning land, air, and even space wars. This text highlights:. ['Tenseness of "Deep Sea Battle".', 'Controlling the impact of the deep sea on future situations.', 'Focus and Future Trends of "Deep Sea Strike".', 'Contests among world powers to control the deep sea.']