This video detailes how to best treat ear mites in cats. Ear mites are parasites which can infect your cat's ear canal and damage their health, therefore treat this condition as soon as you diagnose ear mites in cats.
Cats can have built up dirt within their ear which can harm their ear health. Ear Mites can also accumulate causing harm to your cat's ear health. Therefore as a pet owner it is your job to clean your cat's ear of any dirt of mites.