To stop puppy biting there are numerous do's and don't you want to be aware of. Puppy's bite for various reasons and despite these reasons there are common things that should never be done, as well as things that should be done to assist in the process of inhibiting your puppy's biting.
First and foremost NEVER under any circumstance use physical force as a form of corrective action. This type of negative reinforcement is not only unnecessary but will in most cases encourage the very behaviour you are trying to stop. As your dog wants to please you, the most effective method of showing your displeasure is the cold shoulder treatment. If the nipping continues after this you may need to move on to the time out method, this involves the use of the puppy's crate as a way to isolate them for 5 minutes or so. When you bring puppy back out to play, remember to tone it down a bit and not get her all revved up again, remember, nipping is natural and if you get them over excited they are only doing what comes natural. Don't encourage contact play with dogs that are quick to nip, encourage games that involve their toys instead, catch with a ball or a Frisbee would be ideal.
There are many do's and don'ts to stop puppy biting. Those listed here are by no means an extensive list. The biggest things to remember are to never hit your puppy and avoid getting a nippy dog over excited. You can always find alternative ways to play with puppy.