Hemorrhoids and perianal abscesses sometimes both manifest as perianal pain, and some patients cannot distinguish between them and treat them as hemorrhoids, delaying treatment. The cause of hemorrhoids is a pathological hypertrophy of the anal cushion, displacement and stagnation of blood flow in the perianal subcutaneous vascular plexus, which causes bleeding, embolism or prolapse of the hemorrhoid nucleus. Perianal abscess is an infectious disease of the perianal area, mostly caused by infection of the anal saphenous fossa and formation of abscesses in the perianal area. 2, local performance is different, when hemorrhoids form thrombus, prolapse or inflammation, the swelling at the edge of the anus, perianal abscess caused by a hard mass, a certain distance from the anal edge, can have severe pain, redness and fever, and even general discomfort, urinary difficulties, and then the redness and swelling of the white head, breaking pus, after a long time and become anal fistula. The actual fact is that you will be able to get a lot more than just a few of these.