The present invention provides a barometric pressure humidity controllable local discharge test device, pertaining to the high-voltage test equipment, specifically to a local discharge test device, wherein, the barometric pressure humidity controllable local discharge test device includes an insulation test box, the insulation test box is sealed, the top of the insulation test box is lead in a high pressure electrode, and a metallic substrate is provided at the bottom in the insulation test box, and the metallic substrate is grounded; the barometric pressure humidity controllable local discharge test device also includes a humidity regulator and a barometric pressure regulator communicated to the internal of the insulation test box. The inventive barometric pressure humidity controllable local discharge test device can regulate the humidity and barometric pressure in the test box to simulate different environments by setting the humidity regulator and the barometric pressure regulator in the test box, as the invention has simple structure and small size, it is suitable for the test of power equipment part with relatively small dimension and can effectively reduce costs.