Take regression analysis method to make analysis on the relationship between and economic growth by putting them into double logarithmic model, using time series data between 2007 and 2013 of Chongqing economic construction expenditure, science, education,culture and sanitation expenses, agricultural expenditure and administrative expenses to make econometric analysis on the relationship between Chongqing’s total fiscal expenditure and economic growth . After that we can get the analytic results. Based on the results we can give proper suggestions to Chongqing City on its fiscal policy, which may optimize its fiscal expenditure structure, and then promote economic growth of Chongqing.