Disclosed herein is a method for transmitting a signal in a wireless communication system supporting a Relay UE. The method performed by the Relay UE comprises transmitting state information of the Relay UE to at least one Remote UE, wherein the state information of the Relay UE includes battery state information of the Relay UE, wherein the battery state information of the Relay UE includes at least one of a total capacity of a battery, a remaining life of the battery, or a remaining battery capacity, receiving a connection request for transmitting and receiving the signal from one or more remote UEs; determining whether or not to accept a connection request for the one or more remote UEs based on state information of the Relay UE; and transmitting a response including the determination result to the one or more remote UEs.