Electronic display terminal, system and application of system

The invention discloses an electronic display terminal, a system and application of the system. The electronic display terminal comprises a terminal body, the terminal body comprises a display rack and a transparent display panel, the transparent display panel and the display rack are attached and fixed, and a display page is clamped between the display panel and the display rack; the terminal body further comprises a control part which is integrally or separately arranged with the display rack, a processor, a Bluetooth module, a voice broadcast device and a power supply circuit are arranged in the control part, the Bluetooth module, the voice broadcast device and the power supply circuit are all connected with the processor, the power supply circuit comprises a power management circuit, and the terminal body supplies power through a storage battery connected to the power management circuit and/or external direct current; the Bluetooth module is used for communication between the electronic display terminal a