A method of acquiring information of a point-to-multipoint (p-t-m) Multimedia Broadcast Multicast Service (MBMS) service for a receiving terminal in a wireless communications system includes performing an MBMS Control Channel (MCCH) acquisition procedure when the receiving terminal releases a resource used for receiving the p-t-m MBMS service, or performing an MBMS Control Channel (MCCH) acquisition procedure when a state of a Radio Resource Control (RRC) entity of the receiving terminal changes.