A customer's coming-to-a-store acceleration system for presenting strong incentive to the customers for their coming to the store, and for accelerating customer's coming to the store and enabling to collect information on customer's coming to the store is provided.This customer's coming-to-a-store acceleration system comprises: a coming-to-a-store notice means for inputting coming-to-a-store notice information, a customer identification means for identifying a customer, a means for specifying the coming-to-a-store notice information of said customer, a collation means for collating coincidence or discrepancy between either the date or time of the customer's coming-to-a-store notice information or duration until the customer's coming-to-a-store or purchasing is made and either the date or time on/at which said customer's coming-to-a-store or purchasing was verified or duration until said verification was made, and an incentive presentation means for presenting an incentive to the customer on condition that it is verified by the collation means that either the date or time of the coming-to-a-store or the duration until the coming-to-a-store or purchasing was made is consistent with either the date or time on/at which said customer's coming-to-a-store or purchasing was verified or the duration until said verification was made.