The pain in the anus after the birth of a woman is considered to be caused by the following conditions: 1, hemorrhoids, due to irregular eating and living habits during pregnancy, pregnant women will have hemorrhoids, plus excessive force during normal delivery, resulting in increased hemorrhoid symptoms, or hemorrhoid nucleus prolapse and other conditions, there will be hemorrhoid nucleus enlargement, pain or blood in the stool symptoms, the need for related treatment. 2, may be due to maternal suffering from anal fissure, mainly due to