The invention discloses an intelligent patrol system. The intelligent patrol system comprises a mobile terminal system, a master station system and a master station database, wherein the mobile terminal system is connected with the master station system through a CPN channel, the master station system is further connected with the master station database, and the intelligent patrol system comprises three subsystems of mobile phone APP, a PC client and a server, and integrates the functions of communication, computer graphics and a spatial database and uses GPS technologies to carry out convenient, high-efficient and quantitative detection and analysis on operation environments and work condition information of on-site equipment, make maintenance decisions and reasonable arrangements for maintenance work according to statuses and production needs of the equipment, support the maintenance work of the equipment systematically, intuitively and conveniently and perform scientific and reasonable management on maintenance tasks and the equipment to improve the safe and stable operation level of a power grid.