Is it illegal to whip your child on the back with a belt? When you spank a child with a belt, is it illegal to bruise them?

In the United States, it is not illegal to spank a child with a belt, but it is illegal to cause bruising. The use of physical punishment, such as spanking with a belt, is generally discouraged by child welfare experts. It is important to remember that physical punishment can have long-term negative effects on a child's development and should be used only as a last resort.