Why does my puppy bite my hands?

A puppy biting your hand is usually not malicious. First, the dog may simply want to play, since gentle mouthing is a normal part of how dogs interact with each other.

Second, a puppy in its teething phase may bite your fingers to relieve itchy gums, so prepare chew sticks in time to stop it wrecking the house. Finally, dogs have a keen sense of smell; if you have not washed your hands and they carry the scent of food, the puppy may mistake your hand for a snack.