The roaring sound in the dog's throat may be caused by respiratory problems or digestive tract problems. Generally, dogs are more likely to have such a situation after catching a cold, which is a respiratory infection. In addition, asthma can also cause dogs to have a roaring sound. This happens. It is best to avoid strenuous exercise with your dog at ordinary times. When the season changes, pay attention to keeping your dog warm to avoid catching a cold. If the situation is serious and does not improve, it is best to go to the hospital for examination.