改造旧城与危旧房屋,改善人居环境,塑造城市形象,提升城市价值,焕发城市魅力,是城市建设与发展过程中长期面临的课题。可以说,一个旧城的改造并不仅仅是简单的城市形态的更新,相应它更会引发社会经济的全面重构。成都是一座古城,危旧房面宽、量大,成因复杂,涉及人员众多,而且处 Renovation of the old city and dilapidated buildings, improving the living environment, shaping the city image, enhance the city value, glow in city charm, is the urban construction and development process long-term problems. It can be said that the transformation of an old city is not merely a simple update of the urban form. Correspondingly, it will lead to a complete reconstruction of the social economy. Chengdu is an ancient city, dangerous old buildings wide, large, complex causes, involving a large number of personnel, and