© 2018 Hacettepe University 1. All rights reserved.Tibet is a region that surrounds Turkish sprawl in the south and the South-East of Asia. It is a buffer zone between these languages, especially between Burmese and Turkic languages. In the north and the north-east, there is a mongolic tongue band. In the East, it is surrounded by Chinese speakers. This is the appearance in the inner Asia today. We see the simplest traces of the Tibetan-Turkish language relation at word level in Uighur manuscripts. However, the language contact between these two languages at any linguistic level (sounds-morphology-morphosyntax-syntactic-lexical) has not been touched upon from the diacronic or synchronic perspectives. However, it is necessary to draw the boundaries of a language and its genetics and to determine the origin of those genetically unfamiliar elements. For this reason, we should know the languages in which the Turkish language shares the same geographical area and interacts in its history. One of the languages in contact is Tangut, a dead Tibet-Burman language. Tangut and Turkish shared an important grammatical feature in the same geography in the same time period: Person marking that copied from person pronouns:predicative person markings, which is the subject of this article.