Dogs with poor gastrointestinal problems will often have soft and loose stools. Owners can regulate the gastrointestinal function of dogs in this way: 1. Purchase probiotics and Gastrointestinal Bacteria and feed them regularly. You can sprinkle them into normal food and water. 2. .Replace easy-to-digest dog food and food for dogs. 3. Fix the feeding time and adopt a small amount and multiple feeding methods. In addition, dogs with poor gastrointestinal problems should be dewormed frequently to reduce the harm of parasites to the gastrointestinal tract.