在學術界，慧思初住大蘇山創宗立說，雖已成公論，但對淨居寺尚缺乏暸解。本文借助歷史文獻和摩崖石刻之遺跡，從八個方面考證慧思、智顗同光山淨居寺的關係，充分證明，光州大小蘇山是天台思想的發祥之地，淨居寺則是早于國清寺的天台祖庭。

In academia, although there is an agreement that Huisi established Tiantai Philosophy while living in the Big Su Mountain, so far there is still a lack of understanding of the Jingju Monastery. In this article, based on the historical literature and lapidarian record, the author demonstrated that the relationship among Huisi, Zhiyi and Jingju monastery from eight aspects of research. It is fully proved that the Big and Little Su Mountain is the origin of Tiantai Philosophy, whereas the Jingju Monastery is the birthplace of Tiantai Buddhism Sect earlier than Guoqing Monastery.