찬태종 (天台宗) 지의 (智顗)가 지은 것으로 20 권으로 되어있다. 천태종의 중요한 교설로 불교철학의 필독서. 천태 삼대부 (天台 三大部)의 하나. 지관 (止觀) 참조

Great Shamatha-vipashyana, or Great Tranquility and Insight: Not only an important doctrine of the Tientai School but also required reading for the study of Buddhist philosophy. It consists of 20 volumes and is one of the three most important works composed by Zhiyi. Cf. (Jigwan) Tranquility and Insight.