When a cat licks its fur and bites twice, it is grooming, which is normal. Cats themselves love to be clean and will often clean their hair, so don’t worry. It is usually best to comb the cat's hair once a day to reduce the cat's hair loss. It is also necessary to feed the cat hair removal cream or cat grass regularly to prevent the cat from suffering from hair ball syndrome. It is best to deworm the cat once a month to prevent parasitism. Parasitic infection.