The evaluation of the city public emergency capability is an important basis of the development of the city emergency capability. This paper made a evaluation to the eight sample cities based on the Fuzzy Set Theory. And the sample cities are choice by the three criteria such as disaster distribution, city type and geography location and so on. And they are Nanning, Harbin, Yinchuan, Shenyang, Jinan, Chengdu, Wuhan and Guangzhou. The evaluation result shows that the public emergency capability of the following five cities are at a low level: Jinan, Shenyang, Wuhan, Yinchuan and Nanning. That shows the level of the city public emergency capability in our country is still at a low level at present, and remains to be further improved.