The utility model provides a data acquisition device for verification testing of a partial discharge supersonic reflectoscope. The data acquisition device comprises a test block, an acoustic transmitter, an acoustic emission transducer, an oscilloscope, a reference sensor, a measured detector and a clamp. The acoustic transmitter and the acoustic emission transducer are connected; the oscilloscope and the reference sensor are connected; and the acoustic transmitter, the reference sensor and the sensor of the measured detector are arranged at the test block. Compared with the prior art, the provided data acquisition device has advantages of easy realization, good acoustic source repeatability, and simple operation and can be widely applied to technical parameter verification testing of the partial discharge supersonic reflectoscope in the power sector.