Yes French Bulldogs do throw up a lot especially when they are puppies.
When the French Bulldog is a puppy they will tend to throw up or vomit more often than they do as they get older.
As the French Bulldog gets older they will tend to Vomit Less often and throw up less often.
So when the French Bulldog gets to adult age and is over 1 year old they should not throw up or vomit much more than any other dog unless they have a stomach ache or other sickness.
French Bulldogs tend to throw up much more than other dogs because they inhale more air than other dogs do when eating.
So they tend to vomit more.
Also French Bulldogs tend to have a problem with farting more than other dogs as well.