In this paper, two models are set up to study the relation between Fiscal Decentralization and China Economic Growth in two aspects of section and time serials, based on the panel data from 1994 to 2006.Three same conclusions are made from the two models. The first is Fiscal Decentralization accelerate Economic Growth as a whole. The second is Fiscal Decentralization policy of different period has a little different influence on Economic Growth. The third is the acceleration has some area difference in the East, Middle part and the West.Finally, we evaluate the last study of the Fiscal Decentralization impact based on our conclusion, and give our policy advice.