This study is to raise a set of new plan structure and development suggestion under design of practical environment by means of environment investigation and analysis, designation of environmental issues and imitated operation model for the growth of street. In addition, it''s to explore the mechanism forming space structure of streets at old district in a city from such aspects as urban plan, urban renewal, neighborhood relationship, habitant''s living and characteristics of practical environment. The thesis is divided into three parts: 1st part: Matching the theory of environment observation, analyze the environmental characteristics and habitant''s behavior against the characteristics of context on the site, further point out the environmental issues and raise the developmental potential and vision for the street block. 2nd part:Provide a new set of plan structure and development model for new space according to the developmental potential and vision for the street block. 1. New plan structure: Provide a set of new idea for plan system which is more delicate and more suitable for district and more. 2. New spatial pattern of the street block: Provide the strategy for space mode against ''urban plan'', ''district design'' and ''construction development''. 3. Preparation for the design principle: Prepare a design principle to be refereed by means of the space strategy provided. 3RD part: Explore the strategy and action for the development of the street block, and imitate the model of re-development by the procedure for mode practice and operation to return and shape the new features for the space of the street block overall.
