A method of controlling radio resource management (RRM) measurement of a neighboring cell, a mobile communication terminal, and a network side device are provided. The method includes: receiving RRM measurement configuration information for a neighboring cell and resource configuration information configured for a mobile communication terminal from a network side device; and when a conflict occurs between the RRM measurement configuration information and the resource configuration information, determining, according to a conflict resolution manner, whether to perform neighboring cell RRM measurement on a target resource where the conflict occurs.