1.Since the CCP confirmed the development of the Dongfeng-21D anti-ship ballistic missile in 2011, its anti-ship capability has been questionable.For this reason, it has a threatening effect on the US Navy. Therefore, the future military cooperation in the Western Pacific will become a region. Citation of the conflict. 2.China's strategic position in the first island chain has a crucial impact on the balance of power in the western Pacific region. Therefore, China should make good use of geopolitical advantages to seek the best national interests.