According to the different parts of the onset of the different toothed line as the mark is divided into internal hemorrhoids, external hemorrhoids and mixed hemorrhoids. 1, internal hemorrhoids: the main clinical manifestations are bleeding and prolapse, can be complicated by thrombosis, incarceration, strangulation and defecation difficulties, mostly seen in truncus 3, 7, 11 points. According to the symptoms of internal hemorrhoids, its severity is divided into 4 degrees. Ⅰ degree: blood in stool, dripping blood, bleeding can stop by itself after defecation, no hemorrhoidal prolapse. Degree Ⅱ: there is often blood in stool, hemorrhoids prolapse during defecation, and can be returned by itself after defecation. Degree III: blood in stool, hemorrhoids prolapse during defecation or prolonged standing, coughing, exertion and weight bearing, and need to be restored by hand. Ⅳdegree: there may be blood in the stool, hemorrhoids continue to prolapse or easy to prolapse after the return of the hemorrhoids. 2, external hemorrhoids can be divided into connective tissue, thrombosis, varicose veins and inflammatory hemorrhoids 4 categories. 3.Mixed hemorrhoids: internal hemorrhoids and the corresponding parts of the external hemorrhoid vascular plexus of the mutual fusion, both internal hemorrhoids and external hemorrhoids symptoms.