This treatise is a practice handbook for corporations, partnerships and law practitioners. It is the first and so far the only treatise combining a comprehensive introduction to Chinese rules on merger control regime and practice analyses along with a complete comparative study among Chinese merger control regime, the E.U. regime and the U.S. regime. The authors have implemented a systematic approach explaining every aspect of Chinese merger control regime with links among such aspects in an effort to solve any possible questions or confusion of readers in understanding the rules. The authors included practice tips relating to every aspect of Chinese merger control. In addition to a comprehensive introduction to Chinese merger control regime, the authors conduct a comparative study among Chinese merger control regime, the E.U. regime and the U.S. regime for readers to gain a complete understanding of the convergence and divergence among these three major jurisdictions as a beneficial study for global filings of cross-border transactions.