The sheep has a thick layer of fur, so it is not afraid of heat and cold. On a hot day, it is easy to put zodiac, that is, the sheep will put their heads under the abdomen of another sheep to take cold and tie them together. The more they get hotter, the hotter and more they will squeeze together, and it is easy to hurt the sheep. When the heat is hot, the sheep are short of breath. They do not like to eat grass. In the middle of the summer, they need to prevent Zhazizi. To keep the sheep afloat and cool, sheep farms must have shade equipment and they can plant trees or shade sheds.