Solutions for cats with bald hair on the back of their ears:

1. If it is caused by trauma from a fight, simple debridement should be performed on the cat. It is recommended to take the cat to the hospital in time. The pet hospital uses Wood's lamp to check whether there is obvious fluorescence reaction.

2. If the infection is caused by ear mites, the cat’s ear canal needs to be cleaned in time and treated with medication.

3. If it is caused by a skin infection, apply topical medication to the problem.

The reasons why cats have bald hair on the back of their ears:

1. It may also be caused by skin trauma caused by cats playing and fighting with each other.

2. It may also be caused by ear mite infection due to the humid environment in which the cat lives.

3. It may also be caused by bacterial or fungal infection of the cat’s ear skin.