The utility model discloses a converter transformer bilateral pressurization partial discharge test device, comprising a P1 variable-frequency power supply, a T1 exciting transformer, a T2 exciting transformer, an L1 compensation reactor, an L2 compensation reactor, C1 to C6 capacitive voltage dividers, a partial discharge detector, an Em grounding terminal row, and CT1 to CT4 current transformers. The utility model builds a converter transformer bilateral pressurization partial discharge test device and test flow, greatly improves a test effect and efficiency, and through test verification, the device in the utility model has promotional value, and provides precious guidance and reference experience for an electric system to explore a transformer partial discharge test method.