The most distinguished advantage of an active laser detection system based on CCD detection device is the capability of acquiring the straightforward vision of “cat-eye” targets. The active laser detection theory based on “cat-eye” effect was discussed according to the model for echo power ratio of “cat-eye” target and diffuse reflection target. The key components of this detection system were described and the wavelength matching problem of CCD device and laser source was analyzed. The detection experiments were made by using typical “cat-eye” target at different distances, such as 300 m and 2 500 m. The experimental result shows that the “cat-eye” target can be easily found from background at a certain detection distance, so the validity of the active laser detection system is proved.