The dog is bored

Sometimes the dog becomes bored because the owner does not have the time and energy to play with the dog. So the dog can only play with itself, and the best way is to chase its own tail. Sometimes when a dog has accumulated a lot of pressure in his heart, he will also choose to chase his tail to relieve the pressure.

The tail is injured

When a dog has an injury to its tail, it will want to disinfect the wound with its own saliva. However, the tail is not an easy place to lick, so it will act like it is chasing its own tail and biting it. It is best for the owner to check the dog's tail first to see if it is injured.

The anal glands are inflamed

The dog’s anal glands need to be squeezed and cleaned regularly. If the owner does not have such awareness, the dog’s anal glands will accumulate some dirt. . Too much dirt will cause inflammation of the anal glands, and the dog will want to bite.