So deer is a fairy beast and has a long life. Deer often use cranes to defend ganoderma lucidum and fairy grass, and the word deer is homophonic with the word Lu in the three auspicious stars of "Fu, Lu and Shou", so it is often used to express longevity and prosperity in some paintings. In geomantic omen, deer and crane are gods representing health and longevity.
It has the meaning of health, longevity, good fortune and wealth, which makes more people love it. And at Christmas, it is more popular. Because the appearance of deer is a symbol of good luck and happiness, and it is also the mount of Santa Claus.