David Chappell writes that although the Tiantai school, "has the reputation of being...the most comprehensive and diversified school of Chinese Buddhism, it is almost unknown in the West" despite having a "religious framework that seemed suited to adapt to other cultures, to evolve new practices, and to universalize Buddhism".
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The school is largely based on the teachings of Zhiyi, Zhanran, and Zhili, who lived between the 6th and 11th centuries in China.
However, in his extensive scholarly works, composed as commentaries and essays, he embraced the whole spectrum of the Buddhist teachings which were received in Korea, including such schools as Pure Land, Nirvana, Sanlun and Tiantai (Lotus Sūtra school).
Lü Shinang split his army into two forces to take Tiantai and Huangyan.