It's very important to learn about child development if you have children, are planning on having children or hope to work with children. Learning about child development will help you evaluate whether a child is developmentally on target. If a child isn't developing appropriately, an early intervention may help. Catching developmental problems early is the key to helping children get back on track.
It is important to learn about child development so that we can understand how to help children that are not developing as their peers. The more we know about child development, the better equipped we are to deal with their issues. For more information, check out http://www.ask.com/wiki/Child_development.