This report explores China's Programmatic landscape, challenges, and future. Programmatic advertising is the fastest growing form of digital advertising globally, and China is no exception. RTBAsia and R3 collaborated to produce this white paper, which aims to clarify the confusion around programmatic advertising. The report defines programmatic as the automated purchase of ad inventory in real time, based on audience rather than platform. It also explains how programmatic advertising works, how it differs from traditional media buying, and its benefits. The report also discusses the challenges and future of programmatic advertising in China, including the need for better data management and the importance of transparency. Overall, this report provides valuable insights into the programmatic advertising landscape in China and its potential for growth.