Popular haircuts for Yorkshire terriers include the Westie, squared puppy and three-layer cut. The Westie cut is best for active but stylish dogs. The squared puppy cut is a common, low-maintenance but less stylish haircut. The three-layer cut is a complex cut seen mostly on show dogs.
The Westie cut involves keeping the facial hair somewhat long and cutting the body hair to 1 inch off the ground. The squared puppy cut consists of a square bob on the head and a shaved body. The three-layer cut trims the facial hair evenly to 1/2 inch above the shoulder, the back to 1 1/2 inches off the ground and the legs to floor length.