Many new parents in the preparation and pregnancy will be particularly careful, pregnancy test, diet a do not dare sloppy careless, until after the birth of the child dare to breathe a sigh of relief. However, there is a disease that is often overlooked by parents, and finally reached a very serious point, which is heartbreaking. This is the amniotic band syndrome, the cause of the disease is generally believed to be due to the amniotic band entanglement hinders the normal development of the limb part, manifested in the child’s limbs can be seen on the obvious ring narrowing, and obesity is very similar to the general shallow narrowing of the ring only up to the skin and subcutaneous tissues, as the child grows older, may be eliminated. But some deep narrowing ring in addition to the skin and subcutaneous tissue involved, but also cause the distal limb blood circulation obstacles, the possibility of necrosis, this will have to be surgically released. Parents can carefully check their own baby’s limbs on the folded parts, to see if there is a hard texture, can not be extended with the skin and disappear phenomenon, if there is the above situation must be timely medical care.