The invention relates to a zipper-type tool bag for a power industry and an application method thereof, and belongs to the technical field of power-industry tool bag equipment. According to the technical scheme, the bottom of a tool bag body (2) is of a double-layer structure, the bottom of the tool bag body (2) is provided with a magnet (8), a bag opening of the tool bag body (2) is provided with two support steel bars (4), the two ends of one support steel bar and the two ends of the other support steel bar are mutually in transmission connection, the support steel bars (4) are in a C shape, two ends of each support steel bar (4) are connected with the tool bag body (2) through limit pin rolls (6), long-strip holes (5) matched with a hold hoop (13) are formed in the support steel bars (4), a plurality of elastic contraction bands (9) are uniformly arranged below the support steel bars (4) in the length direction, and the tool bag body (2) is provided with a zipper (3) in the length direction of the support steel bars (4). The zipper-type tool bag has the advantages that the safety of on-site operation is improved and the phenomenon is effectively prevented that tools and parts fall down from great heights in an operation process.