Because of the different races between the two, there are obvious differences in appearance and properties: the ears of the cat type are round and short, and the ears of the dog type are long and pointed; the face of the cat type is flat and the mouth is not too protruding, and the ears of the dog type are not very protruding. The face is more three-dimensional, and the mouth is wide, long and very prominent; the main function of the cat is to hunt and catch mice, while the main function of the dog is to look after the home and the courtyard and protect the owner.