Which is healthier, a French bulldog or a Shih Tzu?

Neither is free of breed-related health risk, but French bulldogs generally carry a higher rate of serious breathing problems linked to their flatter face, which is why welfare organisations flag the breed specifically. Shih Tzus have their own issues, mainly eye and dental problems, but breathing difficulty tends to be less severe.

Do French bulldogs or Shih Tzus need more grooming?

Shih Tzus need far more grooming. Their long coat mats without regular brushing or clipping, while a French bulldog's short coat needs only occasional brushing, with extra attention to cleaning the facial skin folds.

Are French bulldogs or Shih Tzus better with children?

Both breeds can do well with children when introduced properly and supervised, and neither is bred for guarding or working roles that would make them unsuitable. Individual temperament varies more between dogs than it does reliably between these two breeds.

Which breed copes better in hot weather?

Neither copes particularly well with heat, but a French bulldog's breathing difficulty makes it noticeably more vulnerable to heatstroke than a Shih Tzu, so extra caution in warm weather matters more for that breed specifically.

French bulldog vs Shih Tzu: which suits your home?

French bulldogs and Shih Tzus are both small, popular companion breeds in the UK, and both get chosen by first-time owners for roughly the same reason: they are compact, generally affectionate, and do not need miles of daily exercise. The real differences that should decide between them are health risk and grooming commitment, not size or temperament, which are fairly similar on paper.

Health: the biggest real difference

French bulldogs are a brachycephalic, or flat-faced, breed, and that flat facial structure is linked to breathing difficulty, heat intolerance and a higher rate of airway surgery than most other breeds, a pattern that welfare bodies including the PDSA have raised repeatedly. It is not a minor cosmetic trait; it affects exercise tolerance, how the breed copes with warm weather, and lifetime vet costs.

Shih Tzus have a shorter muzzle than an average dog too and carry some of the same brachycephalic risk, but generally to a lesser degree than a French bulldog. Their more common health issues instead tend to run towards eye problems, related to their prominent eyes and facial shape, and dental crowding in a jaw that is compact for the number of teeth it holds.

Grooming and coat care

The French bulldog's short, smooth coat is genuinely low maintenance day to day, needing little more than an occasional brush and attention to the facial skin folds, which need regular cleaning to avoid irritation given how much a flat face folds and traps moisture.

A Shih Tzu's long, flowing double coat is a completely different commitment. Left ungroomed it mats quickly, and most owners either commit to daily brushing or keep the coat clipped short at a groomer's, which is an ongoing cost the French bulldog simply does not carry.

Temperament and everyday life

Both breeds are generally affectionate and suited to a household rather than a working role, and neither needs the long daily walks a working or sporting breed would. French bulldogs tend to be a little more playful and people-focused day to day, while Shih Tzus were bred originally as a companion lapdog and often show it, being content to settle for long stretches indoors.

Neither breed does well left alone for long hours or in very hot weather, for related but slightly different reasons: the French bulldog's airway struggles with heat, and both breeds form strong attachments to their household.

Which one actually suits you

If low grooming effort matters more to you than health risk and potential vet bills, a French bulldog's coat is the easier one to live with, but go in with your eyes open about the breathing and heat issues that come with the shape of the breed, and buy from a breeder who health tests for them.

If you are prepared for regular grooming or clipping costs and want a slightly lower brachycephalic health risk, a Shih Tzu is generally the gentler choice on that front, though eye and dental care still need attention through the dog's life.

Common questions

Which is healthier, a French bulldog or a Shih Tzu?: Neither is free of breed-related health risk, but French bulldogs generally carry a higher rate of serious breathing problems linked to their flatter face, which is why welfare organisations flag the breed specifically. Shih Tzus have their own issues, mainly eye and dental problems, but breathing difficulty tends to be less severe.
Do French bulldogs or Shih Tzus need more grooming?: Shih Tzus need far more grooming. Their long coat mats without regular brushing or clipping, while a French bulldog's short coat needs only occasional brushing, with extra attention to cleaning the facial skin folds.
Are French bulldogs or Shih Tzus better with children?: Both breeds can do well with children when introduced properly and supervised, and neither is bred for guarding or working roles that would make them unsuitable. Individual temperament varies more between dogs than it does reliably between these two breeds.
Which breed copes better in hot weather?: Neither copes particularly well with heat, but a French bulldog's breathing difficulty makes it noticeably more vulnerable to heatstroke than a Shih Tzu, so extra caution in warm weather matters more for that breed specifically.

Sources

Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.

PDSA — Pet Health Hub

Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.