The invention provides a power line inspection system and belongs to the technical field of power inspection. Aiming at solving the technical problems, the invention provides the power line inspection system capable of effectively reducing the working amount of workers and improving the working efficiency. With the adoption of the technical scheme, the power line inspection system comprises a management console and a plurality of handholding type power inspection mobile terminals; each handholding type power inspection mobile terminal is communicated with the management console through a network communication module; each handholding type power inspection mobile terminal comprises a line receiving module, a data recording module, a display module, a data storage module, a GPS (Global Positioning System) positioning module and an information sending module; the management console comprises a line sending module, an information receiving module, a comprehensive management module and a defect management module. The power line inspection system is applicable to a power system.