The patient’s heart can be calmed by the fact that the swelling is common in the following diseases: an internal hemorrhoid: it is not easy to come out of the anus when it is small, but it can come out when you cough, sneeze or walk. Second polyp: mostly seen in children, adults are rare, the tip is long, when defecating out of the anus, more combined with blood. The first is that the hemorrhoid can be returned after defecation, but it is not easy to be returned when it is prolapsed for a long time. The fourth is that the varicose vein external hemorrhoid occurs outside the anus, due to the anger of the external plexus of the hemorrhoid during defecation, the internal and external anal protrusion is high, and after defecation, due to the slow reflux of blood from the external veins of the hemorrhoid, it seems to be a swelling that comes out of the anus.