Silent question reporting device in classroom

The invention, which belongs to the field of teaching appliances, especially relates to a silent question reporting device in a classroom. The silent question reporting device comprising a signal transmitter and a signal receiving box is characterized in that the signal transmitter has a hand-held rectangular structure; a question asking button for controlling the signal transmitter to transmit a wireless signal and an off button are arranged on a panel; and diode indication lamps for displaying signal transmitting states are also arranged on the signal transmitter panel. Besides, the signal receiving box has a rectangular box structure; a signal receiver for receiving a signal from the signal transmitter, a controller, and diode indication lamps are installed inside the box; the diode indication lamps are arranged on the signal receiving box panel uniformly. The device has the following beneficial effects: silence interaction and communication between a teacher and a student can be realized at a public place