Device for withstand pressure evaluation of secondary battery and method for evaluating withstand pressure

The present disclosure relates to a device for withstand pressure evaluation of secondary battery and a method for evaluating withstand pressure using the same to ensure the stability of the product by evaluating the withstand pressure of the pouch constituting the secondary battery, and the device includes a storage configured to have a storage space in which the secondary battery is stored, a spacer configured to adsorb and then pull one side of the secondary battery to form an internal space of the secondary battery, an injector configured to be installed in the spacer and pierce the secondary battery with a needle with an air injection channel formed therein, and inject air at positive pressure into the internal space of the secondary battery through the air injection passage, and a pressure measuring unit configured to measure air pressure in the internal space connected to the air injection passage.