He took strong foreign policies, for example, the punishment of Shihei HAYASHI for his opinion about measures toward Ezo by banning his book, and the flat refusal to Adam Laksman who requested commerce with Russia while brought back a castaway, Kodayu DAIKOKUYA.
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送り届けたロシアのアダム・ラクスマンの通商要求を完全に拒絶するなど、強硬な姿勢で臨んだ。