The invention discloses a cabling rack for a college user group data life cycle management system and an installation method of the cabling rack. The cabling rack comprises a mounting base and a hanging plate; a wiring seat is slidably connected to the hanging plate; the wiring seat comprises a U-shaped wiring plate, a cover plate, a fixing assembly and a sliding frame, the cover plate is arrangedon the U-shaped wiring plate, the fixing assembly comprises a supporting plate, a pressing plate, end screws and fastening nuts, the end screws are symmetrically distributed between the supporting plate and the pressing plate, the supporting plate is arranged at the bottom of the U-shaped wiring plate, the fastening nuts press the pressing plate, and the pressing plate presses the sliding frame on the cover plate; and the installation method comprises the following steps: (a) preliminarily assembling the wiring seat, (b) enabling a corner reference to be in place, (c) continuously arranging,(d) arranging wires, (e) capping, and (f) performing reinforcement. The cabling rack is stable in structure, high in installation adaptability and high in bearing strength, cables are arranged in order and convenient to manage, the installation method is low in operation difficulty, simple in positioning, high in installation efficiency and easy to control and adjust, and the installation qualityis guaranteed.