It symbolizes the wealth of the family.
In ancient times, hanging the skull of a cow was a habit of some ethnic minorities, symbolizing the wealth of the family. Whoever has more cows will be richer. If it is modern, it is bullish, which means blessing and good luck.
Cattle, one of the zodiac signs, is the second earthly branch. Origin: Legend has it that one day the Jade Emperor will arrange the zodiac, and he designated cows, tigers, rabbits, dragons, snakes, horses, sheep, monkeys, chickens, dogs, pigs and cats.