There are two possibilities: 1, hemorrhoids, during pregnancy due to the increasing uterine compression of the inferior vena cava and the iliac veins, causing perianal venous reflux is not smooth, more likely to suffer from hemorrhoids, the clinical manifestations are mainly after the anal drip blood or stool surface with bright red blood, in the breastfeeding period, if there is a blood drip after the stool, can be given to Yunnan Baiyao evenly sprayed in the trauma and pressure bandage, to be bleeding stops to warm water after the sitz bath, anal localization can be applied under the guidance of obstetrician, while paying attention to adjust the diet and rest habits, symptoms can be relieved. Sit bath, the anus can be coated with hemorrhoid cream under the guidance of obstetricians, and pay attention to adjust the diet and work habits, the symptoms can be relieved. 2, anal fissure, in the process of pregnant women, due to the huge force of birth can lead to local damage to the anus, causing the anus to be a chronic ulcerative lesions, the formation of anal fissure, the typical clinical manifestations of the anus dripping blood after the bowel movement, accompanied by intense pain in the anus, once diagnosed, it should be actively surgical treatment.