Cats licking terbinafine hydrochloride can cause chronic poisoning, because terbinafine hydrochloride is a drug used to treat cat skin diseases and has bactericidal and anti-inflammatory effects. The ingredients contained in it cannot be absorbed by cats after licking them into the body. It will accumulate in the cat's body for a long time and cause chronic poisoning in the cat. It is recommended that the owner wear the Mona Lisa ring on the cat and wait until the drug is absorbed before taking it off. This can effectively prevent the cat from licking Terbinafine Hydrochloride.