The Tangut divinatory documents Datang Sanzang Guaben 大唐三藏卦本and Guanshiyin Pusa Zao Niansong Guaben 觀世音菩薩造念誦卦本,being published for the first time in the paper with Chinese translation,are not only an early evidence for the deification of the Tripitaka Xuanzang as an idol in folk divination,but also the true portrayal of integration of divination and Buddhism faith in Tangut.