21世纪我国的城市燃气面临大发展的形势，规划中涉及使用天然气的城市超过400个，由此产生方方面面的问题需要审慎的考虑。作者对存在的主要问题进行了分析与讨论，以期引起广泛的注意并减少项目建设中存在的风险性。

As a result of the advent of natural gas in China, the city gas faces a good situation of great development at the beginning of the 21 st century. Over 400 cities are involved in the overall planning of natural gas supply, but many careful considerations should be made at present. This article makes the analysis and discussion of the major problems existed, in the hope of attracting universal attention to decrease the risks existed in the construction of projects.