Why Ragdoll cats like to lick their fur:
1. Cats like to groom themselves by licking their fur to remove dirt and make their fur cleaner and shinier.
2. When cats feel anxious or uneasy, they will also lick their fur to relieve their emotions and release stress. 
3. If a cat is infected with parasites, causing skin discomfort, it will lick the affected area incessantly. You should take it to a veterinary hospital for treatment as soon as possible.
4. If a cat is deficient in vitamins, it will supplement them by licking its fur. The owner should feed the cat pet trace element tablets.
5. In summer, when the temperature is too high, cats will lick their fur to dissipate heat and lower their body temperature.