The invention discloses a mechanical shock sensitive characteristic simulation method of piezoresistive electrode double-electric-layer capacitor, and the method comprises the following steps: building a double-electric-layer effect energy storage model of the double-electric-layer capacitor, and building a piezoresistive effect model of a porous electrode; performing integrated coupling modelingon the double-electric-layer effect energy storage model and the piezoresistive effect model to obtain an energy storage-impact sensitive coupling model system; and according to the energy storage-impact sensitive coupling model system, carrying out simulation calculation on the mechanical impact sensitive characteristics of the piezoresistive electrode double-electric-layer capacitor by utilizingfinite element software. According to the method, dynamic simulation of electrode resistance change, electrochemical reaction process and output voltage change of the electric double-layer capacitorin the mechanical impact process can be realized. The key structure parameters and the working parameters of the electric double-layer capacitor can be scanned. The influence rule of the key structureparameters and the working parameters on the mechanical impact sensitive effect of the device is analyzed, and the adjustment of the mechanical impact sensitive effect is facilitated, so that the method is suitable for practical application in different application scenarios.