The utility model discloses a traction plate trailer for aluminum profile traction, which belongs to the technical field of traction plate trailers and comprises a traction plate body, a fixing plate is fixedly connected above the traction plate body, a storage plate is fixedly connected above the fixing plate, a first transverse plate is slidably connected to the right side of the storage plate, and a second transverse plate is slidably connected to the right side of the storage plate. A second transverse plate is slidably connected to the left side of the storage plate, a first vertical plate is slidably connected into the second transverse plate, a second vertical plate is slidably connected into the first transverse plate, and an auxiliary structure is arranged outside the second transverse plate. The fixing plate, the first transverse plate, the second transverse plate and the adjusting structure are arranged, and the first gear, the second toothed plate and the motor are matched, so that the first transverse plate and the second transverse plate can uniformly and relatively move, the internal storage space can be conveniently adjusted, and the industrial aluminum profile conveying device is suitable for conveying industrial aluminum profiles of different sizes and shapes; therefore, the transportation efficiency of the traction plate trailer is guaranteed, and the flexibility of the traction plate trailer is improved.