Observe the body: first look at the cat's physique, plump (but not too fat), not thin or bulging (possibly with parasitic diseases), and the limbs are stout and not bent, and one thing must be 8 months old. If you can see that the female cat is better than other cats in the same cell, then the female cat should be strong and lively, and don't choose the weakest cat in a cell.
Observe the five senses: the eyes should be bright and there is no secretion around the eyes; Ears erect, little or no earwax, clean and free of impurities; The nose is moist, and there is no inflammation such as snot and pus; The oral cavity is clean, the teeth are white, the gums are healthy, and there is no bad breath or odor.