The utility model discloses a gear pump test stand, which comprises a test box body. A folded plate is installed at the bottom end of the test box body, a base plate is arranged at the bottom end of the folded plate, a work bench is disposed in an inner cavity of the test box body, an oil tank is mounted below the work bench, a motor base angle is installed on the work bench, an upper cover plate is arranged at the top end of the test box body, a support is disposed below the upper cover plate in suspended mode, a front plate is disposed on the front side wall of the test box body, and two oppositely-closed doors are installed on the rear side wall of the test box body. The gear pump test stand is capable of detecting pressure, flow and temperature of a gear pump simultaneously, improves accuracy of detection results of the gear pump test stand and remarkably lowers manufacture cost.