Pay attention to the dog's mental state after eating a dead mouse. If there is no abnormality, it means there is no big problem. If there are vomiting, diarrhea and other symptoms, send it to the pet hospital for examination and treatment immediately. If the dog is found to be disordered, Eating food should be stopped in time. During this period, the dog's diet should be adjusted, try to feed some light and easy-to-digest food, and deworm the dog regularly to enhance immunity.