To reduce the working load for the content report of an executed business by a person on outside duty or the like.

When the person on outside duty or the like performs a prescribed button operation showing business contents, a mobile terminal 10 registers the button state, time and position information thereof, and transmits them to a position information management system 18 at a prescribed timing. The position information management system 18 forms position history information based on the information from the mobile terminal 10, and provides it to a business daily report mail delivery system 22. The business daily report male delivery system 22 forms a daily report according to a preliminarily registered business daily report format based on the position history information (including hour, address, button state) acquired from the position history information, and transmits this daily report to a preliminarily designated prescribed address as business daily report mail by use of e-mail.