The informatization system of process industry will be set many alarm parameters in order to ensure the safety in production, so that the database of information system save a lot of alarm record. This article from the perspective of data mining, to the alarm record using the association rules mining algorithm model, find out the association rules that alarm simultaneously, and according to the order of alarm parameters, the alarm rules as a guide for the analysis of the causes of the key parameters of the alarm and warning conditions, make the parameter alarm operators have a more in-depth understanding, guiding the safe running of the systems and equipment.