Shih Tzu dogs are a small, ancient dog breed derived from Asia. Learn about caring for Shih Tzu puppies and dogs here. Complete guide to the Shih Tzu dog breed including temperament, care requirements, and suitability as a family pet. The shih tzu has always been a house pet and lap dog and has never been bred for any other known purpose. This differentiates the breed from the Lhasa apso, who served as temple guards. Imagine a small, fluffy companion with a regal history and a heart full of devotion, that’s the Shih Tzu. Originating from ancient China, these little dogs were once favoured by royalty. Today, Shih Tzus still charm families around the world. Their loving and graceful nature makes them special.