Delaration customs clearance checking device

The utility model discloses a declaration customs clearance checking device which comprises a box body, an upper cylinder module, an information reading module used for obtaining passenger health information and certificate information and a swing gate module partially located in the box body and used for releasing and intercepting passengers. The upper cylinder module and the information reading module are arranged up and down with the box body and are positioned on the same side of the box body; the upper barrel module comprises an upper barrel body detachably connected with the box body, a camera arranged in the upper barrel body, a thermodetector arranged on the upper barrel body and used for detecting the body temperature of a passenger, and a printer arranged in the upper barrel body; the information reading module and the camera are used for matching with each other to carry out customs clearance comparison, and the printer is used for printing information obtained by the information reading module to