GIS equipment maintenance method and GIS equipment maintenance aid decision system

The invention provides a GIS equipment maintenance method and a GIS equipment maintenance aid decision system. The GIS equipment maintenance method comprises respectively obtaining and storing nameplate information, state performance information and asset information of GIS equipment, performing risk assessment on the GIS equipment according to the nameplate information, the state performance information and the asset information, so as to obtain an equipment operation risk assessment result, performing economic benefit analysis on the GIS equipment according to the nameplate information, the state performance information and the asset information, so as to obtain an economic benefit analysis result, determining a maintenance scheme of the GIS equipment according to the risk assessment result and the economic benefit analysis result, and performing GIS equipment maintenance according to the maintenance scheme. The method and the system can reduce the maintenance cost, improve the GIS equipment utilization rate, and save electricity.