北京旧城大量存在的历史街区,保留着不同历史时期的文化和建筑,承载着丰富的城市功能与大量的居住人口,是北京作为历史文化名城的重要组成部分。从新中国成立初期至今,北京历史街区保护和更新改造的理念、内容、方式和方法都在发生变化,保护与改造一直处在矛盾不断产生和不断调适的过程中,但改善民生始终是贯穿其中的一条主线。随着城市化进程的推进,通过吸取以往不同发展阶段的经验教训,北京市加快了历史街区保护和更新改造的步伐,保护和改造 The historical blocks in the old city of Beijing, which retain the culture and architecture of different historical periods and carry rich urban functions and a large population of residents, are an important part of Beijing as a historical and cultural city. Since the founding of new China so far, the concepts, contents, methods and methods of protection and renovation of Beijing historic blocks have been changing. Protection and renovation have always been in the process of continual emergence and continual adjustment of contradictions. However, improving people’s livelihood has always run through them A main line. With the advancement of urbanization, Beijing has accelerated the pace of protection, renovation and reconstruction of historic districts by protecting the experience and lessons learned from different stages of development.