In online shopping, customer information when a customer selects and buys a desired article from goods information provided to a customer terminal from a center which provides online shopping information including the goods information to the customer terminal is managed. When the customer performs the online shopping, the goods information is stored for each customer individually, which goods information is goods information selected by the customer from goods information provided by the center. Then, the stored goods information is read out the next time a goods information search request is made by the customer, and the read goods information is displayed for the customer.