"A yellow dog with a white face will not be exchanged for gold" is a common saying, which means that if there is a dog with yellow hair and a white face at home, it will not be exchanged for gold even if it is given. Because in people's minds, this kind of dog is rare and valuable, and has excellent qualities such as loyalty, home protection, and bravery. The specific reasons are as follows:

Cause color reason: In people's minds, yellow represents gold, white represents silver, and the yellow body and white face symbolize wealth.

Loyalty: As long as this kind of dog is given a bite to eat, it will never betray its owner.