UAV technology has developed rapidly in recent years, and its military application is increasingly extensive. The traditional airborne laser target indicator is difficult to be integrated into UAV for military application due to its large weight and volume. The technical scheme and operational application process of one of the world′s mainstream laser guided weapon systems are introduced in this paper, and a light and miniaturized laser photoelectric target tracking and indicating load of UAV is studied. Different from the traditional laser indication irradiation, the UAV laser photoelectric load achieves miniaturization integration through tight coupling with the UAV, and realizes the integrated detection function of short and long distance. The target can be positioned and guided at a long distance (geodetic coordinate position information), and can be guided by laser irradiation at a short distance. At the same time, the instruction method in this paper makes use of low-cost small UAV assault operations, which avoids the risk of personnel exposure and casualties, and improves the efficiency of unmanned combat.