He inherited the role of "Otona," or the head of a village, which had been assumed by the Kinoshita family for generations in 1817, transferred the role to his elder brother in 1829, and started working as a medical doctor, which had been his initial interest, using Tokushodo as his professional name.
文化(元号)14年（1817年）、18歳で木下家代々の乙名（名主）の役を引き継ぐも、文政12年（1829年）にその役を兄の子に譲り、自身は元来関心のあった医師を生業とし、医門名を得生堂と称した。