Coring drilling is an important method of geological exploration and most of the workplaces locate in suburb district or open country; while drilling rig, drilling tower and the subsidiary pieces are almost made of metal, and the drilling equipments are protruding on the ground, which are subjected to lightning attacks. In the drilling operation, most exploration teams do not pay enough attention to lightning strike protection; there are some problems in application and installation of lightning strike protection facilities. In this paper, discussion was made on lightning strake protection for drilling operation based on the analysis on lightning strike protection system of drilling equipment by the principle of lightning strike protection.