1. Soak the dog food for him, then build an egg yolk every day and feed it blindly for fear that it will upset his stomach. When he is older, he will stop soaking the dog food in water and soak him in bone soup and meat head. Give it a yogurt every night, add lactic acid bacteria, and buy some snacks such as cow tail and cow ear. 2. Always take some fruits and vegetables, change dog food into steamed buns, add bone soup to stew chicken legs, add chicken liver to taste, and have a yogurt every night. 3. Most meats such as chicken, pork, beef and fish are the favorite foods for dogs. Most human foods are loved by dogs, and all kinds of cooked chicken, duck and fish are dogs' favorites, but cooking methods only suggest boiled water, frying and frying, oil, salt, sauce and vinegar and other seasonings will increase the gastrointestinal burden of dogs.