In 814, the court added four more itokugosho, who were treated as members of the Naiyakushi, and in 820, the court similarly selected the five best students of acupuncture.
更に弘仁5年（814年）には内薬司所属の扱いで医得業生を4名増加させ、同11年（820年）には同様の針生5名を増加させた。