Ecology is an important and unique part of architecture. Nowadays, more and more buildings are intended to prove their superiority in sustainability, however, still very few of them are derived from the idea of sustainability and ecology.1 Instead considerations of aesthetics, urban relation, structure, and narrative characteristic are predominant. In this thesis, three main aspects of ecology in architecture are explored. The first is the role of ecology in architecture and the dilemma of ecology in architecture. It is widely acknowledged that the ecological analysis is mainly to prove that the design proposal is great, instead of influence design itself. In other words, there is little participation of ecology in architectural design. The second is what shall be done to enhance the importance and involvement of ecology in architecture. By my understanding of this research and study, ecology should be considered as a complete system in architecture instead of some independent techniques applied to architecture. The goal is to achieve a balanced relation of architecture with the surrounding environment throughout the whole life span of the building. Ecology consideration should influence the generating process of architecture. Last but not the least, promising areas to combine sustainability with the design and construction phase are also investigated.