The utility model provides a fire control computer simulation device. The fire control computer simulation device comprises a box body, a display screen, a plurality of operation keys, an input/outputinterface and an adjusting knob are mounted on the surface of the box body in an embedded manner; a data control board, a power supply board, a DC/AC module and a power supply module are arranged inthe box body; the DC/AC module and the power supply module are electrically connected with the input and output interface. The data control panel drives the display screen to display, and collects operation key trigger information; through the input and output interface, the data control panel receives a guide station command, and the data control panel controls the DC/AC module to generate an ACfault analog signal and controls the power supply module to generate a DC fault analog signal. According to the utility model, the DC/AC module and the power supply module are adopted to simulate AC and DC fault signals respectively, the fault occurrence situation in actual combat is restored, and intuitive maintenance training of the fire control computer simulation device for students is realized. The utility model has the advantages of reasonable structure, ingenious design and strong practicability, and is convenient for military teaching popularization.