A cat biting its skin while licking its fur may be grooming or itching. It is best to check the cat’s skin first to see if there are any abnormalities. If there are redness, swelling, dander, scabs, hair loss, etc. on the skin, Then it is a skin disease, and the cat needs to be treated in time; if there is no abnormality in the skin, there is no need to worry. You only need to pay attention to the hygiene of the cat and do external deworming for the cat on time.