中文摘要：

本文以西宁为例，分析西北地区中心城市在快速发展过程中，城市空间发展所面临的问题，并结合当地经济社会发展状况，提出城市内部、都市圈、区域三个层面的空间发展战略，试图通过城市空间结构优化和适度拓展，来引导城市持续、快速、健康发展。

英文摘要：

This paper takes Xining as a case to discuss the urban spatial development of central cities in Northwest China. With the rapid economic growth there are many difficulties in the urban spatial development, even seriously impede the development of these cities. Based on the analysis of the conflicts, the paper puts forward development strategies at three levels for the urban spatial： First, to create a strong Xining; Second, to plan Xining metropolitan region; Third, to integrate the relationship of Lanzhou and Xining.