The invention discloses a device and a method for testing the adhesive aggregation performance of a cold patch asphalt mixture. The device comprises a vibration part, a screening part, a transferring part, a weighing part, a main control part and a support protection part, and is specially designed based on the adhesive aggregation performance test of the cold patch asphalt mixture; the screening part, the weighing part and the main control part used for controlling the screening part and the weighing part are arranged in a box body, so that the device for testing the adhesive aggregation performance of the cold patch asphalt mixture can be used for easily collecting the scattered cold patch material, and is capable of quantificationally evaluating the adhesive aggregation performance of the cold patch asphalt mixture by weighing. The device is reasonable in structural design, can be used for testing the adhesive aggregation performance of the cold patch asphalt mixture, and is simple in principle, convenient to operate and easy to popularize.