The invention discloses a method for treating alarming information, which includes the following steps: types of the alarming information which can affect the normal operation of a specific subject are preset and the types includes core alarming and professional alarming; an association relationship between the core alarming and the professional alarming as well as between the professional alarming which are mutually affected is set and priority of an alarming association condition is also set, while an alarming association relation table is established; the alarming information is obtained and whether or not the alarming information is the type which can affect the normal operation of the specific subject is judged, while the judging result is preserved; according to the alarming association relationship table, the alarming information with the alarming information type which can affect the normal operation of the specific subject is calculated about alarming association to obtain origin alarming information. The invention also discloses a device for handling the alarming information. Through presetting the alarming information types which can affect the specific subject, the invention realize filtration of a great amount of obtained alarming information, thus reducing data processing amount of the alarming association calculation and rapidly obtaining the origin alarming information.