The hemorrhoid nucleus is prolapsed and will automatically retract within the anus after the nucleus is prolapsed in mild cases, but if the symptoms worsen and the nucleus prolapses outside the anus and does not automatically return to the anus, there will be symptoms of impaction, ischemia and necrosis of the hemorrhoid. 2. If the patient is diabetic, it is very likely to cause infection and in severe cases there may be necrotizing fasciitis. 3, may appear bleeding, hemorrhoids serious, usually accompanied by pain, blood in the stool and other symptoms, blood color is bright red, and frequent blood in the stool, serious cases may appear serious anemia, there may even be hemorrhagic shock, etc.. Once hemorrhoids appear, you should go to the hospital for treatment in time to avoid missing the best time for treatment.