Provided are a system and a method for providing information by using a near field communication. A method for a first device to provide information to a second device includes receiving a first message broadcasted from a communication apparatus since the first device is located within a near field communication range of the communication apparatus; receiving a second message from the second device since the second device located within the near field communication range of the communication apparatus is in near field contact with the first device after the first message is received; authenticating the second device using the second message; and providing predetermined information related to the communication apparatus and the second device since the second device is authenticated.