Reasons why cats lick their fur frequently
Cat owners often notice that their cats have a lot of fur, mainly because cats can clean themselves of dust and dirt to keep themselves clean; fur can also relieve stress for cats; and in the summer, fur can help with heat dissipation. 
Cat fur is used for cleaning.
A cat's fur can remove dust and dirt from its body, keeping it clean for longer. Furthermore, licking its fur helps keep it smooth and prevents clumps from forming.Cats shed fur to relieve stress.
Cats lick their fur to relieve stress. For example, after being scolded by their owner, a cat will silently lick its fur, which is a way to calm its emotions and a common stress-relief method for cats.Cats' fur is for dissipating heat from their bodies.
A cat's fur helps it dissipate heat in the summer. The saliva on the fur after a cat licks it carries away some of the heat from the cat's body as it evaporates.
