A dog may chase you and bite you because it feels fearful, threatened, or aggressive. Sometimes, a dog may feel that it or its family or territory is threatened, so it may bite to protect itself. Additionally, a dog may have increased aggression because it has been poorly trained or socialized.
If you want it to stop biting, you can help it by exposing it to different people, places and things as early as possible Adapt to new environments and people. Observe the dog's body language, such as ears, tail, lips, etc., to understand its emotional changes. If your dog is found to be aggressive, take immediate action. With the right training methods, teach your dog how to respond to threats or attacks rather than act aggressively. Do not provoke your dog with your eyes, body language or actions. If your dog appears to be aggressive, it's best to stay away from it and tell those around you to be careful.