What to do if a blue cat has yellow hair

When a cat has yellow hair, the main reason is that the cat’s hair is not of good quality. The cause of this is: 1. nutrition may not be able to keep up with the cat’s hair, resulting in a lack of nutrition, resulting in discolouration, usually you can give the cat some good drugs for the hair. 2. may be due to dirty, rubbed to the colour that should not rub, resulting in yellow hair, this situation bathing will be good.