Chau Chau is a dog that originated in China. Since the Han dynasty There is a long history of more than 2000 species year Chau Chau dog originating from a cross-species combinations during the quarter hit Tibet and fahaeng puppies breeder, tea ... Yachak North of Siberia, but disputed whether Chau Chau could be authentic, because it is the only species of dogs, puppies in the world with a mix of black, blue tongue.