Wuti Qingwenjian 五體淸文鑒 is an important dictionary which compiled in Qing dynasty for national languages including Manchu, Tibetan, Mongolian, Uygur and Han. In 1957, Nationalities Publishing House republished the version of Gu Gong 故宮本 of the dictionary, which has three-book. This paper introduces essential information of the dictionary Wuti Qingweniian in Qing dynasty and research status of the Mogolian entry in the dictionary. And on this basis, mainly analyses the characteristic of the consonant γ and χ, χ and у as well as d and t, s recorded in the Mongolian character, and other writing features. Through the analysis of expression form of these consonants, the author consider that the Mongolian entries in the dictionary keep many features of the Uyghur-type Mongolian scripts, meanwhiJe have many features of in the modem Mongolian. By contrast, it is more outstanding that keeping the features of the later.