Under normal circumstances, the foramen ovale will close in the first year of life. If the foramen ovale remains unclosed in young children after the age of three, this is a common congenital heart anomaly. 1, this is a congenital heart disease, the oval foramen of the heart is not closed, this condition can be closed by itself, or may require surgery, the child’s resistance may be poor in this case, pay attention to the child to do a good job of health care and maintenance, try not to make the child sick. 2, this situation will make the child appear hypoxia, no strength or shortness of breath symptoms appear, the general situation will not affect the child’s growth and development problems, if the child develops all normal, you can do without surgery, but must go every six months or once a year to review. 3, this is a congenital heart disease with minimal impact, if the unclosed area is relatively small, may slowly close with age, if the impact on the child’s body is great, you can also choose to do surgery to repair, if nothing is affected, is not necessary to treat. The baby’s heart oval hole is not closed, this situation must be regularly to the hospital for examination, usually pay attention to the baby should be carefully care, try to reduce the baby cold symptoms appear.