An embodiment relates to a base station operation method related to a sidelink in a wireless communication system, the method comprising the steps of: receiving, by a base station, a report related to the use of a sidelink-related resource from a UE; and instructing, by the base station, the UE to release the sidelink-related resource on the basis of the report, wherein the report includes the number of times the UE has not used the sidelink-related resource, and the number of times is greater than a preconfigured threshold value.