1.Vascular swelling type The mucous membrane of internal hemorrhoids is rough and soft, dark red or vermilion in color, and bleeds easily when touched. The surface of internal hemorrhoid is hard, with luster, dark red or blue, and the body of hemorrhoid is varicose hemorrhoidal vein and hyperplastic connective. 3.Fibrotic type Internal hemorrhoids have a hard surface, elastic and slightly white fibrous tissue on the surface of the hemorrhoid body, which can easily come out and bleed easily. 4, thrombosed external hemorrhoids The main onset is characterized by sudden onset, severe pain, swelling and discomfort, and occasionally systemic symptoms. The local examination reveals an elevated swelling next to the anus, and a hard and slippery subcutaneous mass can be palpated, with obvious tenderness. 5.Inflammatory external hemorrhoids are often caused by skin injury and infection at the anal verge, mostly with anal pain, which is aggravated during defecation, blood in the stool, and a small amount of discharge from the anus. Local examination of the raised swelling next to the anus, red in color, obvious congestion, tenderness, sometimes accompanied by general discomfort and fever. 6, varicose veins type external hemorrhoids Anal edge elevation into an oval, soft to touch, no pain, dark purple lumps can be seen when the force of defecation, after defecation or rest the volume can be reduced, is caused by subcutaneous varicose veins, but also the development of late internal hemorrhoids. The swelling and discomfort are generally felt only when defecating, and painful symptoms only when inflammation occurs. 7.Connective tissue type external hemorrhoids or superfluous external hemorrhoids The skin folds at the edge of the anus become larger and the connective tissue proliferates, forming many superfluous skin cells of different sizes and shapes.