Method of displaying contents by using device identifier of wireless communication device, method of providing contents, user terminal for performing the contents displaying method, and system for providing contents to perform the contents providing method

The present invention relates to a method of displaying contents by using a device identifier of a wireless communication device, and a method of providing contents. The contents displaying method includes: receiving the device identifier from the wireless communication device if the device is located within a coverage thereof; and receiving and displaying at least one content corresponding to the device identifier from a contents providing system.