中文摘要：

进入21世纪，中国加入世界贸易组织，促进了中国经济融入世界经济体系，使东南沿海地区成为“全球的制造工厂”，中国的经济全球化过程加速，世界贸易总额日益增长，也具有了建设和发展世界城市或全球城市的迫切期望和需求。比对世界城市的主要特征，在总部数量、金融业控制力、科研文化机构集聚、国际交往活动频繁等方面，北京比上海更具备建设世界城市的优势。本文从中国需要世界城市、北京能够建成世界城市、北京世界城市的定位、北京建设世界城市空间结构和面临的挑战等方面进行比较深入的思考。

英文摘要：

In the 21st century, it is China＇s accession to the World Trade Organization that promotes China＇s economic integration into the world economy, so the southeast coastal areas become ＂the world＇s manufacturing facility＂. Because of the process of accelerated economic globalization and increasing world trade, there are urgent expectations and huge needs with the construction and develop- ment world cities or global cities in China. According to main features of the world city, there exist more headquarters, financial industry, research and cultural institutions, frequent international exchanges in Beijing than Shanghai. This paper focuses on some topics such as China needs the world city, to build the Bei- jing world＇s cities, function and hierarchy of the Beijing in world city system, Beijing urban spatial structure as a world city and some challenges.