This livestock semi trailer is all aluminum vehicle, aluminum 6 series 6061-T6 material, box plate and bottom plate are made of 5052 material, welded without tears, improving the high strength of the body and reaching the high standard of lightweight. Advanced design concept, up and down two layers, the upper layer for the overal electric hydraulic lifting, to ensure the smooth lifting of the vehicle. The back door is open on the side, and the slide way is fully sealed, which improves the safety of livestock. The air receiver is made of aluminum alloy to ensure its safety, fine workmanship, clean and beautiful appearance.