Hemorrhoid is one of the earliest diseases recorded in Chinese medicine. In the ancient literature of Chinese medicine, hemorrhoid has three different meanings: First, the body’s orifices in the small meat protruding disease are collectively known as hemorrhoids. The second is the general term for all anal and intestinal diseases. The third is the modern meaning of hemorrhoids. Hemorrhoids are unique to human disease, mammals do not suffer from hemorrhoids, which may be due to the animal walking on all fours, the anus is located higher, beneficial to the rectal blood reflux. Human upright posture, the anal position is relatively low, can affect the rectal blood return, easy to become hemorrhoids under gravity. Chinese medicine cited Xu Renze theory: this disease has internal hemorrhoids, external hemorrhoids. Modern medical classification of hemorrhoids, still with internal hemorrhoids. External hemorrhoids. Mixed hemorrhoids as the outline. External hemorrhoids; located below the dentate line, the surface covered with skin, visible to the naked eye. According to the nature of the pathology can be divided into 1, varicose external hemorrhoids (subcutaneous mass) 2, connective tissue external hemorrhoids (dermal drooping) 3, thrombosed external hemorrhoids (subcutaneous hematoma) 4, inflammatory external hemorrhoids (secondary infection . Localized redness, swelling and heat pain) and other 4 types. Internal hemorrhoids; located above the dentate line, the surface is covered by mucous membrane, generally located in the anus, need to anoscopy can be found, advanced internal hemorrhoids repeatedly prolapse visible to the naked eye. Mixed hemorrhoids: with internal hemorrhoids and external hemorrhoids two characteristics, can be single or multiple formation of annular hemorrhoids, characterized by the tooth line above and below the same hemorrhoidal area anastomoses with each other, the sphincter muscle groove disappeared, the upper and lower connected to a whole. Symptoms: many internal hemorrhoids and external hemorrhoids in the early stages of no obvious symptoms, only mild anal discomfort or occasional blood in the stool, physical examination can be found sick. Apparent blood in the stool. Prolapse. Itching and mucus flow. When symptoms such as swelling and pain occur, the disease has usually reached the middle and late stages. Clinical manifestations: 1, blood in stool is the main symptom of internal hemorrhoids, blood color bright red, small amount, some only blood stained paper, most of the bowel movement drops of blood, a small number of jet-like bleeding. 2, prolapse prolapse is the main symptom of internal hemorrhoids in the middle and late stages of development, the anal cushion loss of support. Fixed and formed. In the middle stage, it can be returned by itself, and in the late stage, it needs to be reset by hand, and it is difficult to reset it after it is incarcerated. 3, itching flow mucus late internal hemorrhoids repeatedly prolapse, can cause anal sphincter relaxation and increased secretion, resulting in perianal often wet unclean, itching and eczema. 4, swelling pain internal hemorrhoids without inflammation does not hurt, swelling pain often occurs in the internal hemorrhoids appeared embedded. Infection. Thrombosed external hemorrhoids and inflammatory external hemorrhoids have obvious symptoms of swelling and pain. 5, anemia caused by blood clotting abnormalities related to blood diseases and severe internal hemorrhoids caused by prolonged bleeding.