PE series PEM electrolysis membrane electrode test system is designed to provide a stable test system for PEM membrane electrodes. The system consists of circulating water system module, back pressure module, cooling and dehumidification module, nitrogen purge module, PLC acquisition and control module, man-machine operation and safety monitoring module. It is used to check the polarization curve of electrolytic cell, energy consumption efficiency of hydrogen production, hydrogen production quality test and product life test.