保护历史文化遗产是人类社会进步、文明发展的必然要求。关于保护历史文化遗产的认识,已经由保护单体文物古迹或建筑发展为保护成片的历史街区,甚至一个完整的历史古城。而针对历史街区的保护,内容也越来越广泛,不仅包括物理形态的保护,还扩展到历史文脉、生活方式、自然环境等多个领 Protecting historical and cultural heritages is an inevitable requirement for the progress of human society and the development of civilization. The protection of historical and cultural heritage has been protected by the protection of monuments or buildings to protect the history of the block into a block, or even a complete historic city. For the protection of historic districts, the content is also more and more widely, including not only the protection of physical forms, but also extended to many historical and cultural contexts, lifestyles and natural environments