Disclosed are a method and an apparatus capable of searching for a docking service and a peripheral function incidental to the docking service in a direct communication system. To this end, a method by which a first wireless device searches for a peripheral function provided by a second wireless device can comprise the steps of: transmitting a probe request frame to the second wireless device by the first wireless device; and receiving a probe response frame from the second wireless device as a response to the search request, wherein the probe response frame can include a bitmap for indicating a name of the peripheral function supported by the second wireless device or the peripheral function supported by the second wireless device.