The evaluation of city emergency logistics support capability is the core content of city emergency management activities. Based on the research of urban logistics support ability evaluation system and the emergency logistics support ability evaluation system, summarizing the influence factors of the four categories of city emergency logistics support capability,the four primary index and comprehensive evaluation system composed of seventeen secondary indexes are built. For eliminating the influence of different dimensions of evaluation indexes, fuzzy grey evaluation method normalize is used and get the comprehensive evaluation results. At last, example is given to demonstrate the economic feasibility of comprehensive evaluation system, and provide targeted measures of city emergency logistics support capability development.