The Tang dynasty, respecting Lao Tzu (Kiji), as the ancestral founder of the family, placed Dokyo above Buddhism as the order of seats in the Imperial court (Do-sen Butsu-go: Dokyo first, Buddhism after it).
同姓の老子（李耳）を宗室の祖と仰ぐ唐朝は、宮中での道教の席次を仏教の上に置いた（道先仏後）。