The causes of the abnormal line loss and the problems existing in line loss management in the transformer area are analyzed. The electricity information collection system, marketing system, and PMS2.0 system are taken as the main data sources.Then, the intelligent full-process control and management model composed of database, algorithm model, module interface and man machine interfaces is designed, realizing full-flow closed-loop management of abnormal early warning, intelligent diagnosis, exception handling and feedback evaluation in transformer area.