PURPOSE: A wireless emergency bell device is provided to be installed in a bank or a public organization for emergency signal generation and to intensify an emergency crime preventing function. CONSTITUTION: A wireless emergency bell device comprises a switch(27), a central controller(22), an emergency output signal transmitter(23), and an emergency bell wireless signal transceiver(24). The switch transmits a connection point signal by a push operation of a user. The central controller leads a saved emergency bell input signal according to a switching signal through the switch and outputs it. The emergency output signal transmitter codes an output signal of the central controller and transfers an emergency bell output signal. The emergency bell wireless signal transceiver wirelessly transmits the emergency bell output signal to an emergency bell central control system server. [Reference numerals] (22) Central controller; (220) Emergency bell input signal storing unit; (23) Emergency output signal transmitter; (24) Emergency bell wireless signal transceiver; (26) ID signal establishing unit; (AA) Regular power source line; (BB) Transmission to an emergency bell central control system server