The reason why cats should not be kept in pairs is because cats have a certain sense of territory and will fight for food and fights. However, if the owner handles it properly, they can be kept, and even if there are many cats, they can live in harmony. Each cat can be Separate the living area and food of the cat, and regularly bathe, deworm, and comb the cat's hair to enhance the cat's body resistance and reduce the chance of disease.