Automatic creation and marketing system of customer ledger using credit card number

摘要

In the marketing system for automatically generating and marketing a customer ledger using a credit card number according to an embodiment of the present invention, in a marketing system in which a purchaser pays a price to a seller with a credit card, collects purchase information based on this, and uses it for marketing, the purchaser Generates a customer ledger based on the credit card number used by the customer, receives purchase information of the purchaser through the seller's POS device, stores product purchase information for each customer, and uses the product purchase information to be recalled through the credit card company's server. It includes an accounting management server that provides marketing information to buyers.