Six-month-old babies still can not roll over, most of them are normal, you can observe, assist the child to roll over, moderate exercise waist strength. If developmental abnormalities are considered, medical attention is required. Most babies can only consciously roll over from the supine position to the prone position or from the prone position to the supine position in about six months, so six months will not roll over, most of them are normal, you can observe for a period of time, pay attention to assisting the child to roll over, and help the child to exercise the strength of the waist in moderation, and soon can roll over. If the baby can not roll over, there are other developmental abnormalities, such as some fine motor or large motor retardation, it is recommended to take the child to the hospital pediatrician for consultation. If your child can’t roll over at six months, you can train him/her moderately. If you consider that there is an abnormality, go to the hospital and let the doctor check him/her out to rule out developmental abnormality.