The Open Form,

With the growth of the number of new function architecture, the modernism design approach and principle gradually show limitations. The function of the architecture becomes more blur and complex. It's more and more hard to cover it with the design approach and function analysis in traditional. The vanguard architecture always involve in the debate and didactic of architecture. The architecture who devote to it just operate to divide, attempt and capture the details in realm of art, however, they forget to respond the basic question of the human exsist.In the early 1980s, with the development of the relationship between cities, parts of mordern architecture strat to charge subtly. It's built up the concept of"person-centered environment"to pursuit the space environment with comfort and humane, as the purpose of caring about the individuals and satisfacting their demands of material, spirit and psychological. The architecture get rid of the fetter of indifference and insolate in earlier concept. It notes more about the realationship of entire environment in city scale, space character and detail treatment."Exist for the city". therefore, OPEN FORM has been impacted by these stream of thought.The method of OPEN FORM was advanced and developed by the teacher of Svein Hatloy, Oskar Hansen. It impacts the concept of"environment"in poland deeply. The mathod has been research and practise constantly by Svein Hatloy and Oskar Hansen for many years. Under the impact of architecture stream of thought in 20th century, facing with the changes and challenges of the era, OPEN FORM make their own response with its open attitude, constant development and concept.What open form is, that is not only the purpose of this article, but also the connotation of OPEN FORM. The writer tries to inquiry its method and practice, find out its rationality and practicality, then explore its reality meaning. It's meaningful to introduce the method of geography and environment research into architecture.This article analyses the concept and the system of OPEN FORM, and compares it with the modern design approach. The article proposes the unique, strengths and weaknesses of the its reseach, and tries to find out its possibility and feasibility in practice.