"Huangyan Island Accident", which occurred in April, 2012 was the symbolic event during the long-run competition for the sovereignty over the islands of South China Sea. The Huangyan Island Accident, particularly the lessons learned by the relevant players and the later movements taken by them based on these lessons will have very important impact on the future of regional security situation. Main players of this event engaged in a game with limited resolve and limited resource inputs till now. Security situation in South China Sea is still in a vulnerable and fragile stability. During the Huangyan Island Accident, China's serial responses already made some progress to ward maintaining China's interests and lalaidy a beneficial foundation for realizing China's strategic goal. But it also should be noticed that till now, the positive effect gained by China is only temporary and limited, and if China failed to follow and keep the current developing track of Huangyan Island Accident, these gains could be reversed. <<