The invention relates to a knife switch simulation device implemented through programming, and an implementation method for the knife switch simulation device. The device comprises a processor, a first switching quantity output circuit and a second switching quantity output circuit, wherein the processor, the first switching quantity output circuit and the second switching quantity output circuit are connected sequentially, and the second switching quantity output circuit is connected with to-be-tested equipment. The processor obtains the on/off states of each knife switch to be simulated, and transmits the on/off states of each knife switch to the first switching quantity output circuit. The first switching quantity output circuit outputs voltages, corresponding to the on/off states of the knife switches in a one-to-one manner, to the second switching quantity output circuit according to the received on/off states of the knife switches. The second switching quantity output circuit carries out the amplification of the received voltages, and outputting the amplified voltages too the to-be-tested equipment. According to the embodiment of the invention, the device can achieve the automatic testing of the to-be-tested equipment, and improves the testing efficiency.