The establishment of Sansha City is of great significance to China's effective jurisdiction over the South China Sea Islands.

First, China’s firm attitude and strong determination to safeguard sovereignty in the South China Sea will never waver. The establishment of Sansha City is a powerful signal to further declare sovereignty. Second, China's use of its country to show its sword in the South China Sea is a powerful response to some countries in the Philippines and Vietnam, and it is also a stern warning to them. We are not just talking, but more importantly, we have a series of actions.

Third, China is showing off its sword in the South China Sea and is expected to make stronger moves. The establishment of Sansha City is not just as simple as setting up an administrative capital and appointing several administrative officials. It also declares the existence of China's sovereignty from many aspects such as administration, economy, politics, law and even military.