The study of the Sinicization of Tibetan Buddhism in the academic fields is still weak. Most of all, the seek of the ins and outs of the Sinicization of Tibetan Buddhism from the perspective of hermeneutics is even as few as the early morning stars in the sky. This paper, from a hermeneutics perspective ,pursues the logical preconditions, reference coordinates, discourse structure, political landscape, cultural acculturation and contemporary transformation of Tibetan Buddhism. In view of this ,it explores the development trend of the Sinicization of Tibetan Buddhism.