| In 1986, Suzhou government did the research to protect the ancient city of old streets under the guidance of the former Construction Committee of Suzhou, and divided the ancient city of Suzhou into 54 streets, then Suzhou government selected a number of streets in planning of experiment areas, but most of them could not be implemented and promoted for various reasons in the end. With the city's rapid development, the ancient city 's historical and cultural heritages gradually lost, the traditional streets declined, the social class differentiation increased, the ancient city of old streets'living environment aggravated differences in Suzhou. In order to construct tuning community, the reconstruction and renewal of old streets have been increasing social attention.In order to continue the rich connotations of city, it is necessary to study how to improve the city feature, enhance the resident environmental quality, relieve the housing pressure, pay attention to vulnerable groups, and restore the city's spiritual and cultural style. Therefore, In view of variety of practical problems in the old streets of Suzhou ancient city, which are the loss of historical and cultural heritages, serious damage to the physical environment, a complex social environment, and chaotic management and so on, According to the principles of tunability, authenticity, integrity, systematicity, sustainability, make rational reconstruction programs in law, and improve concrete reconstruction measures, and promote the harmonized and orderly development of urban.Harmonious reconstruct old streets is that on the basis of building on the physical reconstruction, strengthen the historical and cultural heritages of old streets and the protection of traditional alleys spatial form, harmonize stakeholders, maintain social justice and fairness, improve the rational and long-term reconstruction management system, and train the stable protection managers of old streets and the building repair team of historical and cultural heritages to create a healthy social environment and a harmonious coexistence interpersonal environment .The paper hopes to study on the harmonious renewal old streets in Suzhou, and provide a reference or guide for other old streets of cities with profound conception. |