Early modern Chinese phonology has become an increasingly active field of research in recent years. Many scholars have engaged in related research, and many important papers have been written. In the current article, we attempt to analyze and review important works in the field. We describe research methods used, and discuss development trends in the field. In the first section, we introduce phonology in the sung, Yuan, Ming and Ching dynasties. In the second section, we discuss issues related to the classification of data in early modern Chinese phonology. In the third section, we analyze research methods used in the field. In the fourth section, we introduce thesis and dissertations on early modern Chinese phonology from graduate schools in Taiwan.