Abstract: In order to ensure the efficient operation of GIS equipment, a technical plan and full process management measures for the overhaul of 220 kV GIS equipment were studied. Determine the technical plan for the overhaul of 220 kV GIS equipment and eliminate potential difficulties and hazards. And implement management measures for the entire process of 220 kV GIS equipment overhaul from the aspects of organizational management, technical management, safety management, emergency management, etc.