Small dogs : When young dogs are born, they must be carefully trained during their first few months. Before they can move freely around the house, they must first be bound by the rules of the house. At first you need to find a suitable place to keep the puppies inside when you leave the house. Every bathroom, kitchen or store is considered appropriate. The first lesson is to teach him how to meet his needs outside the home. This is the beginning of the visit outside the house.