Hemorrhoids swelling is because the hemorrhoids volume increases, falling and other symptoms caused by hemorrhoids, hemorrhoids swelling and bleeding has no relationship. Hemorrhoids do not bleed, the feeling of swelling is mainly because the hemorrhoids volume increases, after edema, the perianal nerve stimulation, or its own volume increases by gravity or after defecation to fall, so that the perianal swelling discomfort. There is no relationship between bleeding and hemorrhoids. Hemorrhoids is a common anorectal disease, manifested as prolapsed hemorrhoids, swelling, blood in the stool, anal itching, moisture and other symptoms, can be accompanied by a sense of incomplete bowel movement. Hemorrhoids are mostly caused by dry stools, constipation or diarrhea, prolonged squatting during bowel movements, prolonged sitting, and increased intra-abdominal pressure during pregnancy, leading to the formation of venous masses around the anus. The existence of hemorrhoids, feeling uncomfortable symptoms, affecting the normal life and work, should be timely to the hospital examination, a clear diagnosis, under the guidance of the doctor to give standardized treatment, to avoid delaying the condition.