This chapter looks at the thinking and practice of international relations and world order in China. It opens by setting China’s geopolitical context. In terms of thinking it covers Tianxia, the Mandate of Heaven, hierarchy, face, zhongyong dialectics, yin-yang, collectivism, and relationalism. In terms of practice it covers the warring states and the tribute system. It argues that China was the most different of the three cases in terms of international relations.