What is crate training? How does it work?

Crate-training is essentially the use of a small indoor kennel (the crate) to confine your young puppy when you’re not actively supervising her.

How does it work?

Crate training is based on all dogs’ inherent dislike of soiling the area where they sleep. Because you’re restricting your puppy’s movement to her sleeping space, she’ll instinctively “hold it in” until she’s let out of the crate (provided you don’t leave her in there too long, of course!)
This is why it’s important that the crate is sized properly: if it’s too big, she’ll be able to use one end as a bed and one end as a toilet, which defeats the whole purpose!