The invention provides a position tracking system based on smart pension. A support frame, a fixing groove, a first support rod, a first arc-shaped plate, a support pipe, an observable maintenance positioning box structure, a rotatable rotary moving seat structure, a windable fixed roller structure, an adjustable arc-shaped support plate structure, a second support rod, a locking nut, a corrugated pipe, a support plate, a sliding hole and a silica gel sleeve are included. Through the arrangement of the support frame, the support plate, a second arc-shaped plate, a connecting plate, a pushing rod, a sliding rod and a locking pipe, the arms of old people can make contact with the second arc-shaped plate in the using process, and the arms of the old people can be conveniently supported and protected in the using process; and the arrangement of a fixing box, a box cover, a center plate, a wireless transmission module assembly, a control panel assembly, a vertical detection module assembly and a positioning detection module assembly facilitates the disassembly of the box cover and the center plate in the use process, and facilitates the maintenance and overhaul of electrical equipment in the use process.