Abstract: Antoni Gaudí was known as one of the outstanding architects in the 19th century. His artworks, which are full of undividual personality and abundant imagination, are varied in forms and famous all over the world. The main purpose of this thesis is to analyze the anthropologist designed by Gaudí with a method Clifford Geertz used to study a culture. According to Clifford, we need to comprehend the meaning of a culture so that we can interpret the unfamiliar culture before we analyze it effectively. Therefore, his opinion brings us to think about the fully meaning and the relationship between the architecture and the orignal culture. This thesis contains six chapters. The first chapter is the introduction, which shows the motivation, the objective, the methodology, the frame and the limit of the investigation. The second chapter is about the background of Cataluña- from the development and transition of plan of City Barcelona to the development of cultures and arts in the whole Cataluña in the 19th century. In addition, it also explains the european cultural movemente- Art Nouveau. Besides, it involves a discussion on the life and ideas of creation of Gaudí, and then it does a study of his architectonic language such as the four stylish periods, the aesthetic ideas and the technical uses. From the third to the fifth chapter, it includess the centre of the investigation. Aside from the investigation on the meaning of the symbols and the decorative elements of the architecture of Gaudí. We aim at the cultural meaning of his artworks, and we will summarize and comment the following three subjects: religion and myth, nation and history, fashion and region. Under the comprehesion of the specific culture, we connect the background of Gaudí with the theory of cultural anthropology. Then we use the art of sociology to support this investigation. The last part is the conclusion which is the result of the thesis.