A horse is tall, and all parts of its body are the most symmetrical and beautiful.

The head is straight and long, and the ears are short. The limbs are long, the bones are firm, the tendons and ligaments are well developed, and the cicadas with palmar occipital remains have hard hoofs, which can quickly run on hard ground. The color of hair is complex, with curly hair, chestnut hair, brown hair, blue hair and black hair. Take off your fur in spring and autumn. Sweat glands are developed, which is beneficial to regulating body temperature, not afraid of severe cold and heat, and easy to adapt to new environment. The chest is deep and wide, the heart and lungs are developed, and it is suitable for running and intense labor. The esophagus is narrow, the single stomach and large intestine, especially the cecum, are abnormally developed, which is helpful to digest and absorb roughage. At the same time, the eye's focal length adjustment power is weak, and it can only form blurred images for objects 500 meters away, while it can well identify the shape of close-range objects. There is a photographic film on the outer layer of the retina, which is sensitive to light and can see the surrounding objects at night. Horses sleep standing up.