A signal transmission and reception method by a remote user equipment (UE) in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: determining a relay discovery; transmitting a first tracking area update (TAU) request, which comprises relay-related information, to a mobility management entity (MME); and, as a response to the first TAU request, receiving a TAU acceptance and performing non-access-stratum (NAS) deactivation.