Besides Hokke-kyo (Lotus Sutra), which were typically buried in kyozuka, "Hannya-kyo" (Heart Sutra), "Amida-kyo" (Sukhavati sutra), "Miroku-gyo" (Buddhist scriptures on Maitreya), "Dainichi-kyo" (Mahavairocana Sutra), "Kongocho-kyo" (Vajrasekhara Sutra), and "Rishu-kyo" (scriptures of esoteric Buddhism), were buried as well, and occasionally Kai-kyo (the beginning scriptures) and Ke-kkyo (the ending scriptures) like "Muryo gikyo" (literally, "sutra of immeasurable meanings") and "Kannon kenkyo" were also included.
埋納される仏経典は主に法華経であるが、『般若心経』『阿弥陀経』『弥勒経』『大日経』『金剛頂経』『理趣経』などが用いられることもあり、『無量義経』や『観音堅経』などの開経・結経が添えられる場合がある。