A low carbon economy determines a combination of economy and ecological environment during the economic transformation in resources based cities. So far, the theories concerning low carbon economy and transformation are mature, which implies a bottleneck from a mutual of government, enterprises and society. This paper establishes an index system, applies DEMATEL and MATLAB software to draw a conclusion that the resource enterprises are the core of transformation in resourcesbased cities. A calculation on causation and hub reveals the influence of each index, which can provide a reference for economic transformation in resources based cities under a low carbon economy.