A multi linear regression model to judge which factor affects the amount of social consumable retail the most is proposed. EXCEL and SAS software are used to fit and test original data, and the fitting results are satisfied.

• 建立了一个多元线性回归模型 ,用于判断何种因素对社会消费品零售总额有较大影响 ,同时还利用 SAS和 EXCEL软件对原始数据进行了拟合与检验 ,拟合效果较为理想。