The invention discloses a method for restoring a terminated short message service in an MSC POOL (mobile switch center pool) and relates to MSC POOL technology in soft switch of a communication core network. The method includes that a standby MSC receives a crash message of a main MSC; the standby MSC judges whether the message is sent to backup other users or not according to calling state information, of a called terminal registered under the main MSC, contained in the message; if yes, sending a failure message to a short message center, wherein the failure message carries a failure reason value.