While reforms of the political system were carried out, on the diplomatic front, TAKAMUKO no Kuromaro was sent to Silla and, in exchange for a hostage, the tax payment in kind by Minama, which had lost its substance, was abolished to straighten up diplomatic problems with three Korean countries (Goguryeo, Baekje, and Silla) and ease the tension.
政治制度の改革が進められる一方で、外交面では高向玄理を新羅へ派遣して人質を取る代わりに形骸化していた任那の調を廃止して朝鮮三国（高句麗、百済、新羅）との外交問題を整理して緊張を和らげた。