1.What are hemorrhoids? (Commonly and medically explained) Hemorrhoids are medically known as hemorrhoids, a mass formed by pathological hypertrophy and displacement of the anal cushion and stagnation of blood flow in the perianal subcutaneous vascular plexus. In layman’s terms, it is an abnormal enlargement of the local anal tissue and a change in location. The actual fact is that you can find a lot of people who are not able to get a lot of money for the purpose of the actual project. Internal hemorrhoids are divided into four degrees, Ⅰ degree of blood in the stool, not prolapsed; Ⅱ degree of blood in the stool, prolapsed, can be returned by themselves; Ⅲ to prolapse mainly, need to be returned by hand; Ⅳ degree of prolapsed can not be returned. There are four types of external hemorrhoids, namely connective tissue external hemorrhoids, varicose veins external hemorrhoids, thrombotic external hemorrhoids, and inflammatory external hemorrhoids. Connective tissue external hemorrhoids are soft and painless, with soft skin pendulousness of varying sizes at the anal verge, commonly found on the anterior side of the anus in women, and in severe cases combined with downward migration of the anal canal, with a circular protrusion at the anal verge; varicose external hemorrhoids are generally painless, and the swelling is usually not visible, but the skin at the anal verge is looser, and after defecation or when exerting oneself or squatting, the external venous plexus of the hemorrhoid expands and stasis of blood can be seen as a soft mass, with local protrusion, stimulating the perianal area and causing discomfort in the anus; Thrombosed external hemorrhoids show sudden onset, severe pain, aggravated by defecation and activity, hard; inflammatory external hemorrhoids, local redness, swelling, rupture, pain is obvious. The main symptoms are blood in the stool, prolapse, pain, anal dampness, itching, foreign body sensation, and falling. Depending on the amount of bleeding, blood in the stool is also manifested as blood stained by hand paper, dripping blood, shooting blood, shooting blood in the stool with a large amount of bleeding, which can quickly lead to anemia and should be seen as soon as possible. Internal hemorrhoid impaction, inflammatory external hemorrhoids, and thrombosed external hemorrhoids can be painful. 4, rectal malignancy can also appear blood in the stool Hemorrhoid bleeding is generally fresh blood, red in color, does not contain mucus and pus, blood on the surface of the stool; rectal cancer caused by blood in the stool is generally darker in color, purple, containing mucus or pus and putrid secretions, mostly mixed with stool, rectal cancer is often accompanied by changes in bowel habits, the feeling of urgency, late stage patients thinning stool, body wasting. 5, nine out of ten hemorrhoids, indicating the prevalence of hemorrhoids The etiology of hemorrhoids is multifaceted, two of which lead to the prevalence of hemorrhoids, one is walking upright, and the other is the local anatomical factors of the anus, the upper rectal vein has no venous valve, in addition, the triggering of hemorrhoids is also related to constipation, diarrhea, long-term alcohol consumption, eating a lot of spicy and irritating food, sedentary, standing and squatting, pregnancy, childbirth, genetics and other factors.