Tibetans tried every way to promoting Buddhist faith during they occupation in Dunhuang.A large scale of movement of transcribing and coping the Buddhist Scriptures become increasingly prosperous that had sponsored by khri-gtsug-lde-btsan.Prime Minister ban de chen po dpal gyi yon tan and the princess of khri-gtsug-lde-btsan went to Dunhuang to conduct and participated in proofreading the Buddhist sūtras in hoping to meet btsan-po’s wishes of promoting Buddhism.The institution of transcribing Buddhist sutras became one of the most important statutes with the strong support of Tibetan authority.This article going to discussing the adopted measures to discipline the holy service in transcribing Buddhist scriptures.