The purpose of this study was to analyze the characteristics of exterior look and interior space of Boutique hotels in Prague and to identify how the tradition and the modern styles were integrated in each element. The subjects of this study were 12 tradition and modern style integrated hotels in Prague. From the collected data, the followings were investigated; what are traditional and modern elements, how they are integrated, and what the ratio of the tradition and the modern style is. The results are as follows. First, regarding the level of integration of tradition and modernity in Boutique hotels in Prague, exterior look showed conservativeness and interior space showed innovation. Second, in the conservative combination of exterior look, the traditional facade made conflicts with the modernity of the signage but the expression was limited to the modern expression of façade and signage maintaining the traditional form. Facades were modernized with the limitation such as not to interfere its traditional atmosphere and signs were designed to be compatible with facade. Third, in the innovative integration between the traditional and the modern of interior lobby, they partially maintained traditional elements or reinterpreted the traditional elements in modern terms in ceiling, walls, columns and windows and used modern expressions in most of ornamental elements.