The invention discloses an alarm receiving subsystem as well as alarm receiving and dealing system and method to realize automatic alarm receiving of an important alarming message and automatic alarm dealing list generation which is sent to an alarm dealing subsystem. The alarm receiving subsystem comprises a database, a message distribution interface machine and a message processor, wherein the database is used for storing judgment information which judges whether an alarming message is the important alarming message or not, the message distribution interface machine is used for receiving analarming message which is sent during alarm and collected by an information collector and transferring the important alarming message when the received alarming message is ensured to be the importantalarming message according to the judgment information stored in the database, and the message processor is used for receiving the important alarming message transferred by the message distribution interface machine, generating the alarm dealing list according to the alarming message and sending the alarm dealing list.