In order to satisfy the favor he put his efforts into the study in Kyoto, collecting a wide range of articles related to fauna and flora that were found in 174 books from China to organize, compile and classify: Jakusui began writing in 1697, and passed away at his home in Kitaoji, Kyoto in 1715, after writing up 362 volumes.
彼はその知遇に応えるべく京都で研究に努め、支那の典籍174種に記載されている動植物関係の記述を広く収集し、統合や整理、分類を施して、1697年に執筆を始め、362巻を書き上げて正徳5年（1715年）に京都の北大路の家で死去した。