Shielding box device for testing vehicle-mounted internet 5G product

The utility model provides a shielding box device for testing a vehicle-mounted internet 5G product, and relates to the field of vehicle-mounted radio frequency testing. The device comprises a box body, an outer drawer, a fixed test unit, a movable test unit, an inner drawer and a carrier module, the outer drawer is arranged in the box body, the fixed test unit is arranged in the box body, the movable test unit is arranged in the outer drawer and electrically connected with the fixed test unit, an outer drawer driving cylinder is further arranged in the box body, and the inner drawer is electrically connected with the outer drawer. The outer drawer driving cylinder is in transmission connection with the outer drawer and is suitable for driving the outer drawer to extend out of or retract into the box body; a through hole matched with the inner drawer is formed in a panel of the outer drawer, the inner drawer extends into the outer drawer through the through hole and is in sliding connection with the outer dra