An operation control system, comprising: a storing processing part configured to collect information on an abnormality in a plurality of departments of a factory, a plurality of the departments having a hierarchical relationship therebetween, and store the collected information on the abnormality in an abnormality information storage part (121, 123, 124, 125) in which abnormality information including information on a state of the abnormality is stored, or in a countermeasure progress information storage part in which countermeasure information including information on a state of a countermeasure for the abnormality is stored; an input part configured to receive information on one of the departments which a user wants to view and information on work category of the user, the work category being a position of the user in the department which the user wants to view; an information selection storage part configured to store therein selection information which is information on, in the department and the work category, which one of the abnormality information stored in the abnormality information storage part (121, 123, 124, 125) and the countermeasure information stored in the countermeasure information is to be selected; an abnormality monitor part configured to monitor a length of a time period during which the abnormality continues, and, when the length of the time period exceeds a prescribed time period, update the state of the abnormality in the abnormality information in the abnormality information storage part (121, 123, 124, 125); a countermeasure monitor part configured to monitor the state of the countermeasure, and, when the state of the countermeasure changes, update the state of the countermeasure of the countermeasure information in the countermeasure progress information storage part; an output processing part configured to select the abnormality information stored in the abnormality information storage part (121, 123, 124, 125) and the countermeasure information stored in the countermeasure progress information storage part, based on the information received by the input part, the abnormality information storage part (121, 123, 124, 125), and the countermeasure progress information storage part, and to change how to output alarm information representing the state of the abnormality and the state of the countermeasure, in accordance with the state of the abnormality in the abnormality information and the state of the countermeasure in the countermeasure information; and output the selected abnormality information and the selected countermeasure information as the alarm information; and an output part configured to output the alarm information. a storing processing part configured to collect information on an abnormality in a plurality of departments of a factory, a plurality of the departments having a hierarchical relationship therebetween, and store the collected information on the abnormality in an abnormality information storage part (121, 123, 124, 125) in which abnormality information including information on a state of the abnormality is stored, or in a countermeasure progress information storage part in which countermeasure information including information on a state of a countermeasure for the abnormality is stored; an input part configured to receive information on one of the departments which a user wants to view and information on work category of the user, the work category being a position of the user in the department which the user wants to view; an information selection storage part configured to store therein selection information which is information on, in the department and the work category, which one of the abnormality information stored in the abnormality information storage part (121, 123, 124, 125) and the countermeasure information stored in the countermeasure information is to be selected; an abnormality monitor part configured to monitor a length of a time period during which the abnormality continues, and, when the length of the time period exceeds a prescribed time period, update the state of the abnormality in the abnormality information in the abnormality information storage part (121, 123, 124, 125); a countermeasure monitor part configured to monitor the state of the countermeasure, and, when the state of the countermeasure changes, update the state of the countermeasure of the countermeasure information in the countermeasure progress information storage part; an output processing part configured to select the abnormality information stored in the abnormality information storage part (121, 123, 124, 125) and the countermeasure information stored in the countermeasure progress information storage part, based on the information received by the input part, the abnormality information storage part (121, 123, 124, 125), and the countermeasure progress information storage part, and to change how to output alarm information representing the state of the abnormality and the state of the countermeasure, in accordance with the state of the abnormality in the abnormality information and the state of the countermeasure in the countermeasure information; and output the selected abnormality information and the selected countermeasure information as the alarm information; and an output part configured to output the alarm information.