As the minimal prototype control system has fast response, smaller overshoots and smaller stable errors, it is suitable for a photo-electric tracking system to capture targets. Therefore, this paper designs a minimal prototype control system for a photo-electric tracking frame and also performs simulation and experimental tests。The experiments show that the simulation results are coincident with that of experiments well, which not only demonstrates that the minimal prototype control system is a linear system in the certain region of tracking signal, but also indicates the influences of a correction part and a front filter. This control method reduces overshoot and adjusting time, inhibits the jitter effect of system. These all show that minimal prototype control method can be used to acquire fast targets in digital guiding and is valuable in the project application for opto-electronic tracking systems.