After the cat is dewormed externally, it is best not to hold it immediately. It is recommended to feed it in isolation, because it takes at least 3 days for the deworming drug to complete the repellent and killing, and fleas and ticks may Hide on the sofa or carpet where the cat passes, and deworming medicines are also toxic, so it is best to keep cats away from the bedroom and kitchen. During this period, in order to prevent the cat from licking the medicine, it is best to wear an Elizabethan ring. After the cat's deworming is completed, the owner can give the cat a bath and then have close contact with it.