This article deals with the alphabets, transliterations and writing form of the Buddhism literatures in Mongolian scripts unearthed in ancient city and holds the idea that the Buddhism literatures emanate from Mongolian Yuan period.

• 本文考察了哈勒不浑-巴勒哈孙古城出土的蒙文佛经所使用的字母、音和文章格式,判定它们源自蒙元时代。