Abstract: The present disclosure relates to a shield box for testing a mobile telecommunication terminal in which an increase in temperature in a shield box is prevented in performing various tests on a mobile telecommunication terminal having multiple antennas in an Over The Air (OTA) method to perform a stable test. The shield box for testing a communication terminal of the present disclosure includes a shield box main body made of metal, having a jig entrance formed on the front side, and equipped with a vent which a plurality of vent holes of 1 to 10 mm in size are formed on the upper and rear sides, respectively; a test jig assembly installed to be able to enter and exit through the jig entrance while mounting a PCB for non-contact wireless connection in which a plurality of non-contact wireless connection parts that are wirelessly connected to a mobile telecommunication terminal and transmit and receive signals are arranged; and a ventilation fan mounted on the upper vent or the rear vent.