Urban cluster is a urbanized process, in the specific areas, city of different heterogeneity, type and the rank of scale forms urban network community which based on the relation of regional economic development and the market link. With the development of central China, various provinces in middle of China are constructing the provincial capital city as the centre of their urban cluster, and try their best to make the urban cluster in middle of China become the pole of regional growth and the core of economic zone. The economic development condition of urban cluster makes a key function on the development in the middle area of China. For impetus the development of urban clusters in middle of China fast and healthy, speeds up the development speeds of these six big urban clusters, expansions the economic impact scopes of these six big urban clusters and enhances the economic potentialities of these six big urban clusters are the development key point of those urban clusters. So, we must firstly thorough understanding the present social development situation of these six big urban clusters in middle of China, then we could target-oriented promote economic society's coordinated development of each urban cluster. This paper has illustrated present social development situation of six big urban clusters in middle of China thoroughly, has analyzed the existing financial circumstances emphatically of these six big urban clusters in middle of China by consult massive correlation data, has calculated economic development level and the equalization of these urban clusters in middle of China by mathematical models, by done those things, we mean to provide more actual guiding senses on economic development of those urban clusters in the future.