Is your toddler biting? Here are 5 Tips to Stop Toddlers From Biting. These tips when implemented consistently may help reduce the frequency of the biting behaviors in toddlers. Biting is common behavior in toddlers, they are just learning how to talk and have little options on what to do when frustrated. It is a behavior that is often learned among peers in a day care setting. It can cause a lot more stress if not handle appropriately by the adults. Feel free to share these tips with the adults in the child's life.