Purpose/Significance To analyze the service demands of different medical institutions in China, and to forecast future changes, so as to provide a basis for relevant decisions.Method/Process Data from the official website of the National Health Commission are selected from January 2011 to November 2023, and the data are processed and predicted using seasonal auto-regressive integrated moving average (SARIMA) model.Result/Conclusion The demand for medical services in China shows a seasonal fluctuating upward trend. The service demands of hospitals is stabilizing, and the service demands of primary medical and health institutions will continue to rise. It is suggested to optimize the pattern of medical treatment through seasonal resource optimization allocation, hierarchical diagnosis and treatment guidance, and informatization construction, etc.