There are quite a few rules for your puppy to learn before he is properly trained. Here are some of the important ones. The New Puppy Never give a puppy the run of the house. If you don’t have a playpen or a wire cage, keep the puppy in the bathroom or kitchen with a gate across the door. Put papers on the floor. Take away things a puppy might chew (like rugs and chairs) and give him a toy to play