Abstract:Objective To analyze the utilization of hospitalization services and the fairness of residents under different basic medical security systems, and provide policy references for the adjustment of basic medical insurance policies and the improvement of the fairness of residents' inpatient services. Methods Using the method of frequency and composition ratio, the sociodemographic characteristics of residents with different types of insurance and the utilization of inpatient services were described. The concentration index CI was used to analyze the fairness of residents' inpatient service utilization. Results The hospitalization rate of urban workers was 6.26%, the average hospital stay was 12.52 days, the average hospitalization fee was 6 629.53 yuan, the average hospitalization compensation was 7 595.95 yuan, and the concentration index CI values were 0.021 7, 0.049 0, 0.046 9, respectively. 0.069 7. The hospitalization rate of urban residents was 4.06%, the average hospital stay was 9.67 days, the average hospitalization fee was 8051.11 yuan, the average hospitalization compensation was 3891.11 yuan, and the concentration index CI values were -0.341 0, 0.035 6, -0.062 5 , -0.077 5. Conclusion The three indicators of hospitalization rate, average hospitalization days, sub-hospital out-of-pocket expenses and second-time hospitalization compensation expenses for urban workers are inclined to high income groups. The three indicators of urban residents' insured population, sub-hospital self-paying, and sub-hospital compensation are all inclined to low-income groups, and the average number of hospital stays is poor.