Cats do not smoke. Cats have a very sensitive sense of smell. They may sneeze, cough, etc. after smelling the smell of smoke, so cats are more averse to the smell of smoke. If a cat lives in an environment of second-hand smoke for a long time, it will increase the risk of lymphoma and other diseases, which will seriously affect the cat's health. Therefore, try not to smoke near the cat to avoid irritating the cat. If you want to smoke, it is best to smoke near the cat. outside the door.