Understanding Your Shih Tzu’s Body Language: Signs of Happiness and Stress

Ara Hughey See Full Bio

Ara HugheyAra HugheyCertified Tier II Puppy Evaluator

Feb 17, 2025
A fluffy brown Shih Tzu puppy sports a bright pink sweater and pearl necklace, adorned with a colorful bow. The background is white with faint text that reads Divine Pups.

From the Divine Pups blog

Shih Tzus may be small, but they have big personalities and even bigger ways of expressing themselves. Since they can’t talk, they rely on body language to communicate their emotions, whether they’re feeling happy, anxious, or somewhere in between. If you’ve ever wondered what your pup is trying to tell you, understanding their signals is key to keeping them comfortable, confident, and stress-free.

Signs Your Shih Tzu is Happy

A happy Shih Tzu has a certain energy about them, you’ll see it in their wagging tail, bright eyes, and relaxed posture. When your pup is feeling their best, they’ll be comfortable in their environment and eager to interact with you. 

Unlike some breeds, a Shih Tzu’s tail naturally curls over their back. When they’re happy, that tail will be held high, sometimes wagging in a loose, relaxed motion. If the whole back end gets involved in the wag, you know you’ve got a seriously content pup! Their ears, though naturally floppy, will also show subtle changes. When excited or engaged, the base of their ears may lift slightly, giving them a more alert and curious look.

A happy Shih Tzu will have relaxed, soft eyes, sometimes accompanied by slow blinks (their version of a doggy “I love you”). You’ll also notice playful bounces, a wiggly body, and maybe even a case of the zoomies, those hilarious full-speed sprints around the house that scream pure joy. 

A relaxed Shih Tzu will have a loose, easy posture. If they roll over on their back for belly rubs, that’s a major sign of trust and happiness. A gentle open mouth, almost like a smile, is another good indicator that they’re feeling great.

Signs Your Shih Tzu is Stressed

Just as body language can show happiness, it can also reveal when your Shih Tzu pup isn’t feeling their best. Stress can stem from changes in routine, loud noises, unfamiliar situations, or even being left alone too long. 

Knowing how to spot the signs early can help prevent bigger issues like anxiety or behavioral problems. Since a Shih Tzu’s tail naturally curls over their back, any change in its position can be a clue to their emotional state. If their tail is lowered, drooping, or even tucked between their legs, it’s often a sign of nervousness, fear, or submission. 

If your Shih Tzu turns their head away or avoids looking at you directly, they might be feeling overwhelmed or unsure. “Whale eye” is another clear stress signal, this is when you see the whites of their eyes as they glance sideways without moving their head. It’s often a sign that they feel uncomfortable in their environment.

While Shih Tzus don’t have upright ears, you can still notice subtle changes in their position. If their ears are flattened or pulled tightly back against their head, it’s a sign they’re feeling fearful or uncertain. Panting is normal when dogs are cooling down, but if your Shih Tzu is panting heavily in a calm environment, it could be a sign of stress or anxiety. 

Excessive lip licking or yawning (when they aren’t tired) are often stress signals. If your pup is pacing around without settling, it’s another sign they might be feeling uneasy.

How to Help Your Shih Tzu Feel Relaxed and Happy

Now that you know the signs, what can you do to make sure your pup stays relaxed and happy? Creating a routine is one of the best ways to keep stress at bay. Shih Tzus thrive on predictability, so keeping feeding times, walks, and play sessions consistent helps them feel secure. 

Giving them their own space, whether it’s a comfy dog bed or a quiet corner, allows them to retreat when they need a break. Using positive reinforcement to reward calm and confident behavior builds trust and helps them associate new experiences with positive outcomes. Paying attention to triggers, such as loud noises, unfamiliar people, or car rides, can also make a difference. Introducing them gradually and providing comfort through positive reinforcement can help your pup feel more at ease. Mental stimulation is just as important as physical exercise, puzzle toys, scent work, and gentle training exercises prevent boredom and keep their mind sharp.

The Takeaway

Your Shih Tzu is always communicating… it’s just a matter of learning their language! By recognizing their body language cues, you can better understand how they’re feeling and make sure they stay happy, healthy, and stress-free. The more you pay attention to their signals, the stronger your bond will become.

Ready to add a happy, well-adjusted Shih Tzu to your family? Check out our available Divine Pups HERE.

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Ara Hughey
Filed under: Dog Behavior · Pet Ownership

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Ara Hughey

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Ara Hughey

Ara raises Shih Tzus in Houston, Texas, and writes about temperament, development and the small daily things that make a good match. Every puppy is born with a divine purpose.

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