A method for cancelling a group messaging in a wireless communication system and an apparatus for the same is disclosed. Particularly, a method for cancelling a group messaging performed by a network node in a wireless communication system may include receiving a group messaging cancellation request message that includes a group messaging identifier of a group messaging requested to be cancelled and cancellation indication information and stopping a transmission of a group messaging that corresponds to the group messaging identifier, and transmitting the group messaging identifier to a user equipment.