Currently, the main promotion mode is price competition. However, monotonous discounts, price reduction and gifts giving can’t bring much effectiveness. Most customers have ‘consumption fatigue’. Besides, drastic price cuts leave little profit for enterprises. According to marketing experts, real-time data is a must for enterprises to get more advantage. Useful information enables enterprises to make correct response for the ever-changing market. A recent analysis of XWH newspaper shows that 81% interviewees like to shop in Spring Festival and National Day. In addition, 14% trend following, 35% enterprises’ promotion and 50% holiday length are the factors which influence customers’ purchasing desire. Therefore, in order to make successful sales promotion strategy, detailed analysis to customers’ shopping habits and festival characteristics is inevitable.