During the era of Empress Koken, he supported and restored the Fujiwara clan by using his wits, who had lost their authority after the Rebellion of Fujiwara no Nakamaro.
孝謙天皇代にあって、藤原仲麻呂の乱以後後退していた藤原氏をその才覚により支え権力の再興を果たす。