A provided distribution line tour-inspection system based on GIS and GPS consists of a tour-inspection terminal and a background server, data is transmitted between the tour-inspection terminal and the background server through a front-end processor; the background server is provided with an tour-inspection task management module, a tour-inspection task query statistics module, an identification management module and a database module; and the tour-inspection terminal is provided with a GIS module, a GPS module, a tour-inspection image management module, a tour-inspection task operation module, a tour-inspection equipment query module, a defect information module and a scanning synchronization module. After a line patrol person arrives at a demanded inspection tour point, the tour-inspection terminal automatically records the geographical position information of the person and the current time. The line patrol person also can fill in inspection tour information on the tour-inspection terminal. Therefore, the working efficiency is improved while the cost is effectively reduced.