A crowd control system comprising: a transmitter ; a control device ; a plurality of user terminals (200_1, 200_n); a plurality of receivers , each of the plurality of receivers electrically connected to each of the user terminals (200_1, 200_n), and the plurality of receivers configured to receive seat information corresponding to a ticket of the concert hall or stadium and a wireless signal propagated from the transmitter, each of the plurality of the receivers configured to transmit the signal to the corresponding user terminal to control the user terminal, wherein the wireless signal includes control information generated by the control device to control the plurality of receiver positioned in each seat corresponding to the ticket, wherein each of the plurality of receivers (100_1, 100_n) includes an LED module and configured to simultaneously receive the control information including a plurality of commands to selectively perform a command suitable for a seat corresponding to each of the connected plurality of user terminals (200_1, 200_n), based on the seat information, and wherein the plurality of receivers , based on the command, are configured to control the LED module of each of the plurality of receivers (100_1, 100_n) and the plurality of user terminals (200_1, 200_n) respectively connected to the plurality of first receivers (100_1, 100_n) to emit light simultaneously of different colors or to selectively flicker, thereby controlling all audience seats to represent a single letter, image and/or message, whereby a screen of each of the user terminals 200_1 to 200_n emits a different color from that of the LED module of each of the receivers 100 connected thereto. a transmitter ; a control device ; a plurality of user terminals (200_1, 200_n); a plurality of receivers , each of the plurality of receivers electrically connected to each of the user terminals (200_1, 200_n), and the plurality of receivers configured to receive seat information corresponding to a ticket of the concert hall or stadium and a wireless signal propagated from the transmitter, each of the plurality of the receivers configured to transmit the signal to the corresponding user terminal to control the user terminal, wherein the wireless signal includes control information generated by the control device to control the plurality of receiver positioned in each seat corresponding to the ticket, wherein each of the plurality of receivers (100_1, 100_n) includes an LED module and configured to simultaneously receive the control information including a plurality of commands to selectively perform a command suitable for a seat corresponding to each of the connected plurality of user terminals (200_1, 200_n), based on the seat information, and wherein the plurality of receivers , based on the command, are configured to control the LED module of each of the plurality of receivers (100_1, 100_n) and the plurality of user terminals (200_1, 200_n) respectively connected to the plurality of first receivers (100_1, 100_n) to emit light simultaneously of different colors or to selectively flicker, thereby controlling all audience seats to represent a single letter, image and/or message, whereby a screen of each of the user terminals 200_1 to 200_n emits a different color from that of the LED module of each of the receivers 100 connected thereto. <EOS>