What can I do if my cat's nose is always dry?
Reasons for a cat's dry nose:
1. Environmental factors. If a cat's living environment is very dry and hot, it is difficult to keep its nose moist even if it drinks a lot of water.
2. A cat's nose is dry when it sleeps. When a cat rests or sleeps, its nose will be dry because its body temperature is relatively constant and it doesn't consume much energy, so its body is in a relatively stable state, which leads to a dry nose.
3. The cat is sick. A dry nose can be caused by constipation, fever, colds, or other illnesses. In this case, the owner should take the cat to the vet for a check-up as soon as possible, as many factors can cause a cat to have a fever. 
The owner's actions:
1. Rule out medical conditions. When a cat's nose is dry, the owner should first check if the cat is lethargic or exhibiting other signs of illness.
If symptoms of illness such as fever, loss of appetite, diarrhea, and vomiting are not present, then medical conditions can generally be ruled out.
At this point, you should check if the home environment is too hot or dry. For example, if you leave your cat on a balcony without air conditioning in the summer, the cat will get very hot and start nasal discharge.
Dryness can lead to heatstroke in severe cases, so owners should constantly monitor the temperature in their homes and adjust the temperature as soon as possible if they notice their cat's nose is dry.
Prevent your cat from getting heatstroke.
2. Treat your cat's illness promptly. If the cat's dry nose is caused by an illness, the owner should take the cat to the vet for examination as soon as possible.
In some cases, injections may be necessary. Once the cat recovers, the dryness in its nose will naturally subside.