The landing performance of sled landing gear helicopter directly affects the landing load calculation and the airframe design. At present, the landing performance of landing gear was mainly measured by falling test. In order to pre-analyze landing performance of skid landing gear, simulation analysis technology and RADIOSS/HyperMesh modal analysis platform were used to establish a sled landing gear landing simulation model and obtain relevant parameters. The sled landing gear drop test was designed in the later stage to measure landing gear fall performance parameters. By comparing the simulation results of the model with the test data, the engineering feasibility of the calculated results of the RADIOSS solver was not only verified, but also the performance parameters of the skid landing gear were obtained, which provided a reference for the optimal landing gear design.