Objective: The paper analyzed the inpatient cost change, influencing factors of geriatric hip fractures in a tertiary hospital of Shandong Province. Methods: The inpatient cost of geriatric hip patients in a tertiary hospital from2017to2021was analyzed by descriptive analysis, multivariate linear analysis method, grey correlation method. Results: The age of inpatients, medical insurance payment method, length of stay, severity of comorbidities or complications, performing surgery/operation, year of admission, name of disease diagnosis had statistical significance on the total inpatient cost. Changes in total inpatient cost were closely related to medical consumables expenses, diagnosis, treatment expenses, drug expenses. Conclusion: In order to reasonably control the total inpatient cost of geriatric hip fractures, hospitals should take actions to improve the efficiency of medical resource use, healthcare authorities should strengthen the supervision of medical consumables, provide policy support