There are many things you can do to keep your child from getting a flat head. Reducing the amount of time the baby spends laying in the same position is the number one thing you can do to prevent flat head.Encourge the baby to lay on his tummy.Babywearing may also help.It is when you carry your baby around in a sling.The amount of time the baby spends with pressure on the back of the head may also be a reason.Also try to avoid putting baby in the car seat for a long period of time.