Abstract: The Index of Sikuquanshu Huiyao records versions of all books included in the Catalogue and the reference versions for proofreading of the Huiyao. Compared with other previous catalogues, the Index of Huiyao is more simple and clear in the content, further unified in the recording, more standardized in language expression and more structured in the form. The Index of Huiyao is an important original and independent catalogue of versions, which has effect in some way on Abstracts of the Huiyao and the Index of Sikuquanshu in edition recording. And the value of the Index of Huiyao needs to be re-understood.

Key words: The Index of Sikuquanshu Huiyao, The Study of Sikuquanshu, Edition, Catalogue