Sometimes cats bite:
1. If a cat's body part is stimulated, such as touching a sensitive area, it will become angry and bite back.
2. Cats may become impatient if they are petted for too long, and may exhibit behaviors such as becoming agitated and biting.
3. When a cat is startled or its food is taken away, it may react aggressively if it encounters external aggression. 
Sometimes cats bite: Solutions
1. If the cat is startled and panicked, the owner needs to soothe the cat and help it return to a normal mood.
2. When a new owner approaches, the cat may also exhibit aggressive biting behavior. It is necessary to help the cat get used to the new environment as soon as possible and build a bond with the cat.
3. If a cat is injured and bites people in self-defense, it is important to seek medical attention for the cat promptly.
