It is normal for puppies to gnaw and bite at things when they are young because their teeth and gums and developing at this stage. However, if you let them chew on anything at site then not only will this cause a lot of destruction of objects around the house, but your puppy might grow up with the belief that it is OKAY for it to gobble up anything at site. In fact if you let your puppy chew at your limbs (elbow, feet, etc) then once it has grown up, it might think biting you is a normal thing to do. And we all know how painful a grown dog’s bite can get. Therefore, it is important to teach your puppy what to do and what not to do. However, if you need detailed puppy information , search the various websites available online.