Rewriting: With the acceleration of China’s urbanization construction, the coverage of the power distribution network is expanding day by day, and the operation and maintenance management work is facing increasing pressure. In order to improve the intelligent level of the operation and maintenance management of power distribution network, a set of intelligent operation and maintenance control system of power distribution network based on big data resources is specially designed. The system integrates a large amount of data resources generated by the substation equipment in the operation state, providing more effective data support for the operation and maintenance management work, so as to improve its intelligence level.