The reasons why there are black things in cats’ ears:

1. It may be caused by ear mite infection, and the black dirt is secreted by ear mites excrement.

2. Fungal infection may occur. For example, Malassezia fungus causes the cat’s ears to secrete brown secretions and smell.

3. It may also be earwax. The color of earwax is dark brown or black, and black spots will appear on the outer ear shell.

The solutions to black things in cat ears are:

1. Cat ear mites have a strong reproductive ability and are parasitic deep in the cat’s ear canal. It is difficult to completely remove and requires manual intervention. At this time, the owner can directly clean the cat’s ears with an ear cleaning solution that has the functions of removing mites and sterilizing them, thus achieving the purpose of eradicating ear mites.

2. Cat ear mites are contagious to a certain extent. Although they will not be transmitted to humans, they may be transmitted to other cats. Therefore, cats with ear mites need to be isolated and treated individually.

3. The owner needs to use disinfectant to disinfect the pet supplies that the cat usually uses in time, and then open the window for ventilation, or directly turn on the ultraviolet light for sterilization.