A data communication method for a V2X communication apparatus is disclosed. A data communication method for a V2X communication apparatus including a plurality of transceivers according to an embodiment of the present invention comprises the steps of: receiving service advertisement information over a control channel (CCH) by using a first transceiver; and receiving, on the basis of the service advertisement information, service data over a service channel (SCH) by using a second transceiver, wherein accessing the control channel is performed on the basis of a sync interval, and the sync interval includes a first time unit and a second time unit.