Historic commercial district is the history of urban development context,the display of urban culture,and promote mutual exchanges between city dwellers an important place.

Differences and relations in conservation and rehabilitation for historic district and urban renewal;

The loss of characteristics of the historic districts in their protection mode conversion;

Research on Conservation Objects and Methods in Historic District——A Case Study on Conservation Planning for Xinhenong Historic District of Shaoxing City;

Study on the protection and development of historic blocks;

Holistic protection and redevelopment of historic blocks:present status of Italic landscape along bank of Haihe River and reflection;

Inheritance and innovation of traditional residential culture in historic blocks;

An Analysis about the Practical Patterns to Consenve the Historic Districts in China;

The Research upon Market Model of Historic Districts Protecting and Exploring;

Through analyzing the place spirit of the historic districts of Qinghefang in Hangzhou from substantial elements,activities and meanings,the article has discussed how to create the place spirit of the commercial pedestrian street in the historic districts,so as to preserve,continue and develop the spirit of court in Hefang street.

Relation research of urban commercial areas and historical block;

On the vitality space of streets in historical blocks;