To enable a visiting insurance agent to take efficient sales activities by using the Internet.

A server, connected to the Internet, stores databases such as a visiting seller database, a customer information database, a fortunetelling information database, and a visit schedule database while those databases are integrally related to one another and is provided with a web page which can be accessed by visiting sellers, but not made open to the public and a homepage that promising customers by the visiting sellers can access. Each visiting seller when visiting a customer (1) obtains the birthday on the basis of fortunetelling information by using an Internet connection terminal that the seller carries with him so that the information is recorded in the customer information database through the Internet, and then (2) leaves a catalog, etc., with his entered prize-added fortunetelling homepage address; and then a promising customer accesses the homepage and personal information on the birthday, etc., is obtained and recorded in the customer information database. According to the information, a visit schedule can be set in timing to the birthday or a change in insurance age range by using the visit schedule database.