The dog screamed after being knocked on the head, indicating that it felt strong pain. If this happens, the owner needs to immediately stop any behavior that may harm the dog and check the dog for injuries.
If the dog has obvious physical injuries, such as bleeding, swelling or fractures, it should be sent to a veterinary clinic immediately Get treatment. Even if there are no obvious physical injuries, it is important to closely observe the dog's mood and behavior to ensure that it is receiving adequate comfort and care. At the same time, owners should be aware that any cruelty to animals is unethical and, in many places, illegal.