The work aims to establish a method to identify the dynamic properties of the packages under the random vibration excitation. Based on the Ito equation of the multiple-degree-of-freedom system, the mathematical relationship between the resilience performance and damping characteristics of the system and the response statistics was analyzed by means of the random response moment analysis. The method that the derived algebraic relation was applied to analyze the system’s dynamic properties was estab-lished. With the single degree-of-freedom nonlinear system and the two degree-of-freedom linear system as an example, the accuracy of the method above was verified. The comparison on the identification results of the parameter in the example and the true values indicated that, the error of the identification results was less than 2% and such method had good accuracy. The proposed method in this paper was a time domain method for only the application response data and it had good generality. Such method can be used to identify the dynamic properties of the packages under the random excitation.