There are many advantages and disadvantages to owning a cat, as detailed below:
benefit:
It can help pass the time and alleviate loneliness.
It can boost immunity.
It can promote human health.
It can increase the owner's sense of happiness.
It can teach people to respect and care for life.
It can teach people to be responsible.
It can help people relax.
It can teach people to observe and think.
It can teach people patience and tolerance.
It can teach people to be independent and self-reliant.
harm:

Cats are quite independent and not easily affectionate towards people.
Cats doing parkour at night can seriously disturb their owners' rest.
Cats shed a lot of fur, and the sofa, clothes, and other surfaces are covered with all kinds of cat hair.
Cats scratch things, which may damage items such as sofas and clothes in the home.