Network-based indoor anti-theft alarm system

The invention discloses a network-based indoor anti-theft alarm system, which comprises a monitoring room and a room, wherein a monitoring projection screen, a supporting base, a computer, a microphone support and a microphone are arranged in the monitoring room, the computer and the microphone support are sequentially arranged at the top part of the supporting base from left to right, a microphone is fixed to the microphone support, the monitoring projection screen is installed on the wall of the monitoring room, and the monitoring projection screen is connected with the computer; and an alarm controller, an infrared detector and a camera are installed inside the room, a protective door is arranged at the entrance of the room, a magnetic strip is fixed to the protective door, a door magnetic switch is fixed to the door frame, and the alarm controller is connected with a computer. The network-based indoor anti-theft alarm system has the advantages that when a thief enters, an alarm signal is sent out and tran