According to the present disclosure, a resource selection method, characterized in that, comprising the steps of: sensing, within a sensing window, a Scheduling Assignment (SA) for other User Equipments (UEs), measuring a received power based on the SA, and sensing a received energy of each sub-channel of each subframe; selecting a corresponding resource based on the sensed SA, the received power and the received energy; and transmitting the selected resource to other UEs based on the SA to perform data transmission by the resource.