This article briefly reviews and explains China's expanding involvement in UN Peace Keeping Operations, especially after the end of the Cold War. The reader will see the political issues arising from the peacekeeping operations of China, including perceptions, guidelines, principles and main concerns. China's evolving posture and capacity prepares it for future participation in UN peacekeeping operations and highlights China's reaction to the demands of its increased integration into the international community. China's involvement in UN PKO is examined from the perspective of mainstream IR theories. The article concludes by asserting that in the new century China will function as a more open, confident and responsible permanent member of the Security Council through its contributions to UN Peace Keeping Operations.