Abstract: In this paper,the cheating-type laser interference,laser causing blind-interference,laser causing dizzy-interference and early-warning satellite of laser interference are discussed respectively.And the development of active laser interference technique is overviewed.The conclusion is that laser technique of source interference technique can apply to probing of photoelectricity,reconnoitre,fire-control,navigation and device of guidance.The strong laser interference of adoption to deal with the accurate guidance weapon will play important function in the defense, protecting naval force, large naval vessels and pointing military installation etc.