Prunes do not cure constipation, but they can help relieve it. Prunes contain a lot of dietary fiber, and dietary fiber can increase the volume of feces, but also can promote intestinal peristalsis, help relieve constipation. Therefore, for people with mild constipation, eating some prunes appropriately can help supplement dietary fiber for the body and relieve constipation. However, prunes are a food, do not have special effects, can not be used solely for the treatment of constipation. If the constipation is more serious, often need to take laxative drugs under the guidance of a doctor. Constipation may also be caused by intestinal obstruction, need to go to the hospital in time to find out the cause of targeted treatment, to avoid delay in treatment.