Later he studied herbalism with Tokujun FUKUYAMA, a scholar of herbalism in Osaka, and Kogigaku (study of ancient morals) of Confucianism from Confucian scholar Jinsai ITO in Kyoto.
その後、本草学を大坂の本草学者福山徳潤に学び、京都の儒学者伊藤仁斎から古義学派の儒学を学んだ。