To inexpensively and quickly operate various reminder services.

In this remind service method, at least service information for specifying the kind of a service to be offered to a user, address information for specifying the address for electrical communication of the user, and remind opportunity information for specifying an opportunity to be reminded are stored in a memory for each user, and distribution information including the remind service information including the remind service information is distributed from a central unit via a communication network by wire or by radio to the user, based on the information stored in the memory when the remind opportunity comes.