城市文化遗产保护的精髓是保存、传承和发展城市文化。目前我国除了深圳、三亚等少数城市外,绝大多数大中型城市的空间增量都围绕原有老城区扩张。作为城市重要文化资源和空间载体的老城区,一方面拥有不同历史年代、 The essence of urban cultural heritage protection is to preserve, inherit and develop urban culture. At present, except for a few cities such as Shenzhen and Sanya, most of the large and medium-sized cities have expanded their space around the original Old City. As the city’s important cultural resources and space carrier of the Old City, on the one hand has a different historical era,