Because he was not satisfied only by becoming the disciple of Chogen TOKI, Chinese medicine doctor to study medical science, he learned Western studies by Hoshu KATSURAGAWA (the fourth), Ranpoi in Edo-Igakukan (medical school) of the Edo bakufu (Japanese feudal government headed by a shogun) and in Fuundo, the private school of Genshin UDAGAWA who was the head of the big four of Shiran-do.
医学を志して漢方医土岐長元の門を叩くが飽き足らず、江戸幕府の江戸医学館で蘭方医桂川甫周(4代目)、芝蘭堂四天王筆頭宇田川玄真の私塾・風雲堂で蘭学を学ぶ。