Xizang sheep is an animal belonging to the sheep genus (Argali) of Bovidae, Sheep subfamily and Ovine subfamily. Grassland type Xizang sheep have strong physique. The head is rough and triangular in shape, with a raised nose bridge. Both male and female sheep have horns, with the horns of male sheep being thick and often extending in a spiral shape to both sides, while the horns of female sheep are flat and smaller, twisting and extending outward. Open chest, straight back and waist, well developed bones. Strong limbs and solid hooves. The body of Xizang sheep of Sanjiang type is rectangular. There are two types of ram horns, one is a large curve that bends backwards and forwards, and the other is twisted outwards. Most ewes have horns. The tail is conical, and the average length of a ram's tail is 12 centimeters. Most applications have black or brown patches on the head, neck, and tail.