And loyal to the retailer 7-eleven found that consumers are female, ages 35 to 44 years, the group was interested in promoting the sale in the form of stamps of the convenience store 7 -. eleven must-have to modify consumption behavior of a typical large quantity of available time is smaller. (Products sold in convenience stores 7-eleven) to obtain a greater number of stamps. He is leaning toward consumer convenience store if there are promotions in the form of stamps to other retailers. Therefore, operators should take measures for planning appropriate strategies to promote retail business more effectively next time.