Method for estimating commodity sales

The invention provides a method for estimating commodity sales. The method comprises the following steps: inputting existing customer classification information through a data processing device, and establishing default customer classification options; the data processing device is used for counting and analyzing purchase state information of commodities by various existing customers; inputting new customer information through the data processing device; and evaluating the customer classification options corresponding to the new customers through the data processing device according to the purchase state information of the existing customers for the commodities and the information of the new customers. 本发明提供一种预估商品销售方法，包括透过数据处理装置，输入既有客户分类信息，并建立默认的客户分类选项；透过所述数据处理装置，统计分析各类既有客户对商品的购买状态信息；透过所述数据处理装置，输入新客户信息；以及透过所述数据处理装置，依据所述各类既有客户对商品的购买状态信息和新客户信息，评估所述新客户对应的客户分类选项。