Physical anti-theft device with alarm function for network security and information security

The utility model discloses a physical anti-theft device with an alarm function for network security and information security, which comprises a shell, a machine body is arranged in the shell, a rotating shaft is arranged on one side of the top of the shell, a cover body is rotatably connected to the rotating shaft, a shell is arranged on one side of the bottom of the cover body, and the shell is provided with an alarm. A spring is arranged on one side of the inner wall of the shell, and an inserting rod is arranged at the other end of the spring. The physical anti-theft device with the alarm function for network security and information security is provided with the shell, the shell can be fixed and opened through the insertion rod, an internal machine body can be protected when the physical anti-theft device is not used, the shell cannot be opened due to some non-human reasons, accidental disassembly and damage can be prevented, and the physical anti-theft device is convenient to use. And the protection str