The utility model provides a mobile training examination box which comprises a main body part and an auxiliary part, the main body part comprises a box body shell, a host, a projector interface, an identity recognizer and a signal receiving base station, and related application software and training and examination data are installed in the host; and the auxiliary part comprises an auxiliary placement layer, a projector, a wireless examination device and a projector connecting wire, and the auxiliary placement layer is arranged above the box body shell and is hinged with the box body shell. The identity recognizer is electrically connected with the host and used for training or card swiping registration of examinees, the projector is connected with the host through a projector connecting line and used for projecting a host screen to a wall, the wireless examination device is communicated with the host through a signal receiving base station, and the examinees answer questions through the wireless examination device. According to the utility model, main functions of a professional training electronic classroom are integrated in one mobile training examination box, and a temporary training and examination environment can be established only by one wall.