The utility model provides an anti-explosion computer which comprises a host, a display, external components and a power source circuit, the host and the display are arranged in an anti-explosion box, the external components are arranged outside the anti-explosion box and conform to an intrinsically safe standard, the power source circuit is used to supply power for the anti-explosion computer, the power source circuit includes an intrinsic safety power source which supplies power to the external components, and an isolating module is connected between the external components and the host, and arranged in the anti-explosion box. The anti-explosion computer can be ensured to safely produce in explosive environment.