The utility model discloses a searchlight for electric power installation at night. The device comprises a base and a searchlight, a damping spring and a rubber ball are arranged between the base anda supporting base, a telescopic rod is installed above the supporting base, a rotating block is arranged at the other end of the telescopic rod, the rotating block is movably connected with the searchlight through a second rotating shaft and a third rotating shaft, and universal wheels are fixedly installed at the bottom of the base. The utility model discloses a searchlight for night power installation. a telescopic rod, a rotating block, a first rotating shaft, a second rotating shaft and a third rotating shaft are arranged; the searchlight can be controlled to perform vertical lifting, horizontal rotation and vertical rotation, so that the searchlight can be adjusted to a proper height to illuminate a construction part, workers can conveniently perform power installation at night, and adamping spring and a rubber ball are arranged, so that a damping effect can be achieved.