Eyes:
Health: the eyes are full of energy, watery and without a lot of secretions.
Unhealthy: the eyes are willow-shaped for a long time, or completely closed, and the eyes are dull. Ocular opacity, redness around the eyes, excessive gum, tears in the eyes, and traces of tears. ...
These situations may be because cats eat too much salt and can't completely excrete the salt and other substances in their bodies, so they will be excreted through tears, which will cause cats to shed tears, have more gums and shed tears.
Nose:
Health: cats often lick their noses. In general, their noses are cool and moist, except that they are dry after waking up.
Unhealthy: dry nose, high body temperature and even runny nose.
Oral cavity:
Health: The gums of normal cats are pale pink, and there is no peculiar smell in their mouths.
Unhealthy: If the gum color becomes lighter or whiter and the cat's oral mucosa turns yellow, there will be problems such as bad breath, drooling and swollen gums.
Hair:
Health: Soft, bright and shiny, comfortable to the touch, without lumps or papules on the skin.
Unhealthy: the hair is rough and dull, with black particles, dander and patches of hair falling off.
PP:
Health: The cat's anus is clean, and it is normal to defecate at ordinary times.
Unhealthy: the anus is red and swollen, and cats frequently lick the anus and have loose bowels.
Mental state:
Health: lively and active, make it react, especially like to play with you.
Unhealthy: crouching for a long time or crouching together, you tease it, it doesn't respond. Lift it up, put it down or stay crouched, which means the cat is very uncomfortable.