Dogs can get better on their own if they are not serious. Generally speaking, it is due to improper diet, lack of exercise, inability to adapt to unfamiliar environments, old age, etc. If it is for other reasons, you need to go to the hospital for examination and treatment. . Therefore, if you want to prevent your dog from getting angry, you should pay more attention to it, eat a balanced diet, give your dog more vegetables and fruits, and take your dog out for exercise frequently.