In recent years, the piezoelectric ceramic (PZT) actuators are widely used in active vibration and noise control of aircraft and aerospace applications，and the determination of its electrical properties and power loss has a vital role for optimizing the system architecture and designing an effective drive power. Accordingly, an experimental method to predict the power loss of the PZT is proposed. In this method, the capacitance, dielectric loss tangent and power loss of PZT can be estimated by theoretical analysis and experimental testing, and the nonlinear functional relations among these parameters and the applied voltage peak and frequency can be obtained finally. They are functions of both applied peak voltage and driving frequency. The prediction of power loss can be applied to the active vibration control and provide the basis for the design of piezoelectric ceramic drive power.