The utility model discloses an automatic testing platform of distribution automation terminal, this testing platform includes: communication module, the industrial computer, encryption device, clock device, signal source 1 and the signal source 2 that link to each other with communication module respectively to and the standard table that links to each other with industrial computer and signal source 1 respectively, still include high low temperature test box and the information identification device who links to each other with the industrial computer. The utility model provides a technical scheme can satisfy communication and the communication protocol who is surveyed distribution automation terminal, to the time with punctual, information security test, function projects such as fault detection and processing are tested with the influence quantity of AC analog quantity input, performance projects such as environmental impact volume experiment detect the demand, it is surveyed distribution automation terminal still to possess many parallel detections simultaneously, and intercoordination cooperates and the fault detection and the processing capacity of completion, the function to distribution automation terminal has been realized, the automatic of performance and stipulations conformance testing project detects.