There are a few reasons why your dog's ears might smell. One possibility is that they have an ear infection.
If you think your dog's ears might smell because of an ear infection, it is important to take them to the vet.
You will need a vet-approved ear cleaner, cotton balls, and a towel
The frequency with which you should clean your dog's ears depends on their individual needs.
If your dog's ears still smell after you have cleaned them, it is important to take them to the vet.
Scratching their ears
Keep your dog's ears clean and dry.