The present disclosure relates to access control in a wireless communication system. According to an embodiment of the present disclosure, a method performed by a first user equipment (UE) in a wireless communication system comprises: receiving a discovery message broadcast by a second UE, the discovery message comprising access control information for a cell in which the second UE is in a connected state; performing access barring check for the cell based on the access control information; selecting a third UE for obtaining a network connection based on an access attempt to the cell being barred as a result of the access barring check; and performing an access attempt to acquire the network connection through the third UE.