Time Variant Weight Comprehensive Evaluation Model is used to measure the urbanization level of China's coal-resources type cities in 2002.Based on the panel data of coal cities from 1999 to 2002,Random Effects Model is used to estimate agglomeration economic level of coal cities.Results show that there is not positive relation between urban space economic structure efficiency of China's coal cities and its urbanization level,that many coal cities which have relatively higher urbanization level have relatively lower agglomeration economic level and do not show the advantage of urbanization economy.