1. Snout: The snout of Shetlandia is relatively tapered and tapered. Su Mu is slightly rough and wedge-shaped.

2. Ears: Shetland’s ears are already semi-erect when she is a puppy, while Su Mu’s ears are completely folded.

3. Forehead: Shetland has an obvious forehead, while Scotch’s forehead looks flatter.

4. Eyes: The eyes of Shetland puppies are already almond-shaped, while Su Mu’s eyes are almost triangular.

5. Food intake: Su Mu’s food intake is about 3 times that of Shetland.

6. Call: Shetland’s call is smaller and shriller, while Su Mu’s call is louder.

7. Frame: Shetland has a slender frame, while Su Mu has a thicker frame. This is an obvious difference.