PURPOSE: To provide a blink display processing system capable of blinking a display image displayed on the optional position of the scope of a display device in a stable cycle.

CONSTITUTION: A blink device 4 in which a blink image is prepared by indication of a data for blinking at detecting blink request from an electronic computer main body 1, it is superscribing on an image signal in the term of blink cycle ON, or sent to a display device 3 without superscribing in the term of blink cycle OFF, is arranged between the electronic computer main body 1 and the display device 3. Consequently, a blink display processing system of which the blink cycle of a display image is stable, the position of blink display on the scope of the display device 3 is not limited, and the load of the electronic computer main body 1 can be reduced, is obtained.