The utility model relates to an animal cultivation techniques field belongs to transportation loading and unloading the sheep only professional equipment of usefulness, especially a portable sheep is with loading and unloading ladder, and the equipartition is providing anti -skidding arris on the face of rectangle bottom plate, the long edge in the both sides of bottom plate respectively the equipartition is providing and is providing the jack on the socket that projectes long limit, the last side shield of rectangular shape and the side shield down dead lever rigid coupling by the horizontal equipartition breast board that becomes to incline, two balanced incline the breast board its project under the dead lever on side shield lower extreme limit match with the jack of bottom plate socket respectively. The utility model has the advantages of simple and reasonable structure, easy dismounting, occupation space is little, when carrying out sheep loading and unloading, can make the only convenient carriage of passing in and out safely of sheep, reduces the intensity of labour of loading and unloading, can improve work efficiency.