A METHOD FOR TRANSMITTING A DISCOVERY MESSAGE IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING DEVICE-TO-DEVICE (D2D) DIRECT COMMUNICATION, THE METHOD PERFORMED BY THE DEVICE, INCLUDES: RECEIVING DISCOVERY RESOURCE REGION INFORMATION INCLUDING MULTIPLE DISCOVERY RESOURCE PARTITIONS FROM A BASE STATION; DETERMINING ONE DISCOVERY RESOURCE PARTITION AMONG MULTIPLE DISCOVERY RESOURCE PARTITIONS BY USING DISCOVERY SEARCH INFORMATION PREVIOUSLY SHARED WITH SPECIFIC D2D TERMINALS; DETERMINING A DISCOVERY RESOURCE FOR TRANSMITTING A DISCOVERY MESSAGE AMONG DISCOVERY RESOURCES IN THE DETERMINED DISCOVERY RESOURCE PARTITION THROUGH A PREDETERMINED RESOURCE SELECTING METHOD; AND TRANSMITTING THE DISCOVERY MESSAGE THROUGH THE DETERMINED DISCOVERY RESOURCE.