When "Engishiki" (the codes and procedures on national rites and prayers established in the middle of the Heian period) were in effect, students also had to learn "Hachijuichi Nankyo" (a Chinese classic on acupuncture) and "Taiso" (the commentary of Yellow Emperor's Inner Canon, written by Yang Shang Shau).
『延喜式』の時代には『八十一難経』や『太素』の学習も規定されていた。