Computer system with enhanced safety

The invention relates to the field of computers, in particular to a computer system with the enhanced safety. The computer system with the enhanced safety comprises a central processing unit, a storage device, a display device and an internal storage module, wherein the storage device, the display device and the internal storage module are connected with the central processing unit through respective data lines. The computer system with the enhanced safety is characterized by further comprising a safety computer case, a USB safety port system and a BIOS three-level user account control system, and the safety computer case comprises a rear interface protection lock, a rear interface protection cover and a stroke switch. By the computer system with the enhanced safety, the computers can be safer and higher in security.