Abstract:This paper expounds the present situation of customer service work in power grid enterprises, scans the production and marketing management business supporting customer''s sense of entirety from the perspective of internal audit, analyzes the challenges and opportunities faced by the customer service work of Power Grid Company under the trend of power system reform, and puts forward some ideas and Countermeasures for improving the efficiency of customer service in all directions. It has a certain reference value for improving the quality and efficiency of omnibearing customer service.