Around the Rebellion of FUJIWARA no Nakamaro in 764, Dokyo was appointed Shosozu (Lesser Secondary Prelate) in 763, and Daijo Daijin Zenji (the First Minister and Master of Meditation) in 765, and was granted the title of Ho-o (Dharma King) in 766, thereby pursuing political policies based on Buddhist philosophy.
藤原仲麻呂の乱の前後、天平宝字7年（763年）に少僧都に任じられ、天平神護元年（765年）に太政大臣禅師、翌年には法王となり、仏教の理念に基づいた政策を推進した。