If a dog bites its owner while guarding its food, the owner should teach it promptly, but must pay attention to the method and not beat or scold the dog, otherwise it will have a great impact on the dog's psychology. When feeding the dog You can put it directly on your hand to slowly reduce the dog's defensive psychology. If you repeat it many times, the dog will not guard its food. You should also spend more time with the dog to deepen the relationship with the dog.