There are many reasons for dogs to be in this state, as follows: 1. The presence of parasites in the dog's body, causing gastrointestinal discomfort 2. The dog has eaten food that cannot be eaten, resulting in food poisoning, 3. Observe the dog's mental state. If there is no energy, it may be gastroenteritis. 4. The dog's energy is reduced, vomiting persists, and accompanied by diarrhea. It is recommended to send the dog to the pet hospital for examination in time.