In order to evaluate the performance of the metal elastic sealing rings under all operating conditions,a test rig was designed,which can simulated the real operation conditions of the metal elastic sealing rings in the aeroengines.The test rig can can complete a variety of tests,including the sealing tests for the metal elastic sealing rings under the axial loads at high temperature,the elasticity tests for determination of the compressive strain and fatigue tests under the axial load spectrum.The test rig was applied to evaluate the performance of sealing,elasticity and fatigue of a Wshaped sealing.The result shows that the test rig realize the accurate simulation of the compressive strain and load spectrum,and the test results are equivalent to the performance parameters of the sample product.