To reliably perform information notification of approach of an emergency vehicle with a small burden without making a user purchase an exclusive receiver or the like.

The information notification of approach of the emergency vehicle 50 is made to a communications terminal 100 belonging to a predetermined radio communication network 30 that enables individual calling. Location information of the emergency vehicle and communication terminal is acquired, and the communication terminal in the vicinity of location of the emergency vehicle is determined on the basis of the acquired location information. The determined communications terminal is called by using the radio communication network 30, and the approach of emergency vehicle is notified.