Abstract
Eclecticism had begun at 1820's and ended at the beginning of the 20c quoted historic and contemporary architecture. This trend is considered with architectural quotation and the meaning has the same text of the eclectic trend of Postmodernism, This study focuse on eclectic characteristics and have purposes of theoretical approaching to and formal analyzing to Contemporary Architecture. And it will be necessary to construct contemporary built environment for diversity of form Because expression of Architectural form by ecleticism is a method without experience designers can take architectural language by indirect experience of another worlds' architectural styles. Architectural form of Ecleticism has to be expressed by designer's own analysis when take a normal identity by creative principal of form-composition it will be a methodology of form composition and a prope necessity.