The invention discloses a zero-electric-quantity user checking priority weight calculation method based on a CRITIC method, and relates to a zero-electric-quantity user checking priority weight calculation method. At present, the weight of a key factor for checking a user is determined through expert experience and is not objective. The method comprises the following steps: firstly, screening outa zero-electric-quantity user target group, and extracting user multi-source data from an electric power system metering acquisition system and a marketing system; then, preprocessing zero-electric-quantity users, and reducing an abnormal user target group; secondly, extracting key factors of the zero-power users; and finally, determining the weight of each key factor based on a CRITIC method, andanalyzing the influence degree of each key factor on the abnormity of the zero-electric-quantity user. According to the technical scheme, the workload of on-site checking of the zero-electric-quantity users is effectively reduced, the possibility of metering errors or electricity stealing behaviors of the zero-electric-quantity users is pertinently sorted according to relative importance or urgency, expert experience is not depended, and the method for determining the key factor for user checking is objective.