Abstract:With Chang-Zhu-Tan agglomeration as an example, through 2 experiments found that: there exist significant differences among the effects of 2 kinds of industry information on the evaluation of city agglomeration images; the flagship industry information has no significant difference on the evaluation of city and city group images, so it is pillar industry information. The R & D ability information of flagship industry information has positive effects on the evaluation of city agglomeration images.