In the field of foreign policy, he was a hawk, for he prohibited the sale of books written by Shihei HAYASHI about the need to protect "Ezochi" from the Russian Empire and punished Shihei, and bluntly rejected the request for trade of Adam Kirillovich Laksman, the Russian who saw Kodayu DAIKOKUYA - Kodayu had been drifted away to Russia by accident - back to Japan.
対外対策では、林子平の蝦夷地対策を発禁処分として処罰し、漂流者大黒屋光太夫を届けたロシアのアダム・ラクスマンに対し交易を完全に拒絶するなど、強硬姿勢で臨んだ。