From the 1950s to the 1990s, Mr. Nan Huaijin published a large number of works and was regarded as a erudite and prolific writer. There are currently more than 30 known works by Nan, covering various schools of thought such as Confucianism, Taoism, Buddhism, immortality, and witchcraft, as well as all aspects of ancient literature, history, and philosophy. This book mainly summarizes Mr. Nan Huaijin's academic theories and research results, and is a comprehensive process of systematic research on them. For Buddhist enthusiasts, this book can provide a detailed understanding of the origin, development and current situation of Buddhism, as well as a comprehensive understanding of Buddhist works.