The E Ingakyo is one manuscript of the "Kako Genzai Inga-kyo Sutra" (one of the sutras representing the life-story of the Buddha) with transcribed sutras in the lower half of the Kansubon (book in scroll style) as well as illustrations in the upper half depicting the contents of the sutra, and it is believed to be the origin of emakimono (picture scrolls) which spread nationwide from the time of the Heian period.
絵因果経（えいんがきよう）は仏伝経典の代表的なものの1つである『過去現在因果経』の写本の一種で、巻子本の下段に経文を書写し、上段に経文の内容を説明した絵画を描いたもので、日本において平安時代以降盛行する絵巻物の源流とされている。