The reasons why cats like to eat napkins:

1. Cats are very curious. If they are curious about a certain item, they will want to bite it and have a taste. .

2. When cats feel anxious or grumpy, they will bite objects to vent their emotions.
3. When a cat lacks trace elements, leading to pica, it will also like to eat napkins.
4. Cats have a hunting instinct. When the touch of paper towels stimulates them, they will want to bite and tear them into pieces.
5. When a cat feels bored, it may bite and swallow napkins as toys. The owner can prepare some toys for it to divert its attention.