Environmental test system

The invention relates to an environmental test system, which comprises a test box, the test box comprises a box body, a temperature simulator, a humidity simulator and a sample holder, a test cavity is formed in the box body, the sample holder is arranged in the test cavity, and the temperature simulator is arranged on the box body. The humidity simulator is arranged on the box body and used for simulating a humidity environment in the test cavity, and the box body is further provided with a via hole communicated with the test cavity; the system also includes a test comparison device that comprises a comparison controller, a man-machine interaction interface and a detection sensor, wherein the man-machine interaction interface and the detection sensor are electrically connected with the comparison controller, and the detection sensor penetrates through the via hole and extends into the test cavity. The detected temperature value or humidity value can be used for checking the temperature and humidity creation