To provide a method for enabling the job hunting of wide range while minimizing the registration of privacy information on the condition of not always providing the job hunting service of wide range since most of services limit reference to contracted enterprises from the consideration of privacy in spite of uneasiness of privacy and difficulty in use for a person, who wants to change a job, since the privacy information such as name, address and telephone number is required at the time of registration for conventional Internet job hunting service.

Only the registration of an electronic mail address is required as privacy information and that electronic mail address is not disclosed so that extremely high anonymity can be provided. Since the privacy information is not disclosed, it is not necessary to limit the reference to the contracted enterprise, either, and the situations-vacant advertisement service of wide range is enabled.