Abstract:Objective：To explore the efficiency management of medical insurance operation in county-level tertiarypublic hospitals under the background of DIP payment mode reform. Methods：Taking the discharged cases in 2021 and 2022 in a certaincounty-level tertiary public hospitalas the research object，the hospital improved the organizational structure of medical insurance operation and management，optimized the structure of patients admitted，strengthened cost control and so on，and compared and analyzed some operational efficiency and operational quality indicators. Results：Compared with 2021，the average cost of inpatients in 2022 increased by 1.99%，the average cost of drugs in inpatients increased by 1.20%，and the income from medical insurance fund increased by 3.75%. Meanwhile，the proportion of surgery increased by 0.74 percentage points and that of minimally invasive surgery increased by 1.12 percentage points. Conclusion：Under the DIP payment mode，the county-level tertiarypublic hospitals can effectively improve the operation efficiency by improving the organizational structure，improving the medical connotation，strengthening the cost control and optimizing the performance assessment，and also well promote the improvement of the hospital’s medical quality index.