The dynamic performance analysis and test method of a certain aircraft tail skid buffer was studied.A mathematical model of the damping force of the all-oil tail skid buffer was deduced,and a fall-shock simulation analysis model was established based on the mathematical model.The dynamic characteristics of the tail skid buffer were obtained through simulation and the performance requirements were judged; taking the ideal buffer as the benchmark,the ideal orifice configuration closest to the design state was obtained through the shock absorber impact test of several sets of orifice configurations.The analysis and test method can be used to guide the design and verification of the all-oil type tail skid buffer,which has certain reference value for the research and development of the tail skid buffer.