1. Keep your cat’s ears dry and clean. Especially after taking a bath, it’s better to check your cat’s ears to see if there is any water in it. As a precaution, you can insert a cotton ball into its’ ears when bathing, so that it can absorb some of the water. 2. Keep the hair of the ear canal and outer ear is not too dense, and pluck the ear hair on time. We have to check regularly and find abnormal behaviors, such as scratching ears with its paws. You should pay more attention to them and seek treatment in time.