What causes a blue cat's nose to turn white?
1. White spots around a blue cat's nose may be due to molting, which is normal; white spots around a blue cat's nose may also be due to old age; white spots around a blue cat's nose may also be due to malnutrition, which pet owners can improve by supplementing its nutrition. 
2. If a cat suffers from external injury or internal bleeding, resulting in a decrease in circulating blood volume and blood in the capillaries, causing the nasal mucosa to turn white, the bleeding should be stopped as soon as possible to prevent hemorrhagic shock.
3. Anemia in cats can be congenital or caused by other factors, such as babesiosis. It is necessary to identify the cause and provide appropriate treatment.
4. If the cat has other illnesses, it needs to be taken to the vet for diagnosis.
