The invention discloses a method and system for recording and counting an examinee's mouse behaviors in a computer exam. The method comprises the steps that computer exam interface contents are divided into multiple unit areas, and a unique serial number is arranged for each unit area; mouse events and time information of the mouse events are collected according to mouse operations made by the examinee in the unit areas of the computer exam interface during answering; the event information is uploaded to a server database; and the examinee's mouse behaviors are retrieved, counted and analyzed according to the stored event information. The method and system for recording and counting the examinee's mouse behaviors in the computer exam are improvements of current computer exam software; types and time of interactions between the examinee and specific content elements can be recorded and analyzed accurately; course data except for final answers in the computer exam can be collected easily; and the method and system are important supplements for testing data sources.