According to the specific process of overhaul of an airborne radar equipment, the relevant rules required is abstracts and summarizes. Starting from the compilation of overhaul related procedure documents and implementation documents, the structure tree rules are extracted, and the special structure tree for overhaul is built according to the original structure tree to ensure the integrity of the technical status. The overhaul process is analyzed in detail, the key points of the overhaul is summarized, the specific implementation steps of the overhaul is expounded, the points for attention in the operation process is pointed out, and the system from multiple overhauls is constantly corrected, the relevant documents and rules is improved. This make the overhaul of airborne radar systematized and standardized, and the overhaul of other radar equipment is provided a certain reference. All this laid a foundation for one-touch maintenance.