The invention discloses a working lamp for a maintenance platform, and relates to the field of non-portable lighting devices. The working lamp comprises a bracket and a welding wire bracket, a positioning hole is formed in the basal end of the bracket, and a lamp cover is arranged at the free end of the bracket. A universal joint is arranged at the joint between the lamp cover and the bracket, anda bulb is arranged in the lamp cover. Magnifying glass is arranged on the outer surface of the lamp cover. A welding wire shaft for connecting a wire reel is arranged on the welding wire bracket, anda springback protruding block is arranged on the welding wire shaft. A shaft hole through which the welding wire shaft passes is formed in the welding wire bracket, and a nut is arranged on the welding wire bracket. A notch is formed in the internal thread on the nut, and the springback protruding block can pass through the notch. The welding wire shaft is connected with the nut through the springback protruding block in a threaded mode. A return spring is fixedly arranged at one end of the nut, and the return spring is fixedly connected with the welding wire bracket. The working lamp for themaintenance platform solves the technical problem that a desk lamp in the prior art needs to be manually cleaned in use, and is suitable for auxiliary lighting when equipment is maintained.