The occurrence of hemorrhoids is related to dietary factors and poor lifestyle habits. Some people like to drink alcohol, eat spicy and irritating food, as a result, the upper head is comfortable, the lower head suffers. If you have to squat for a long time, read a book while defecating, or stand for a long time to consume the blood and qi, such as teachers and other occupations that stand for a long time are also prone to hemorrhoids; sitting for a long time to press the anus, resulting in local blood circulation is blocked can cause thrombosed external hemorrhoids. The hemorrhoids may also be hereditary, if the parents have hemorrhoids, the next generation is also likely to suffer from this disease. Hemorrhoids are minor in the early stages, when the symptoms are not obvious and can be treated or untreated. However, if the bleeding does not stop, it must be treated. If you are paralyzed or embarrassed about hemorrhoids and delay the condition, it can cause anemia or even hemorrhagic shock over time. Among the hemorrhoid patients he sees, jet bleeding can reach hundreds of milliliters, and the patient does not feel it yet, and then faints in the toilet after seeing the blood. Some patients have repeated bleeding for up to six months, with pale faces, general weakness, and severe anemia. In some cases, embedded hemorrhoids occur and become infected and necrotic. Generally speaking, no symptoms can not be smelt, maintain local hygiene can be. If there are symptoms such as unclean after defecation and painful dampness of the anus, treatment is needed. The important thing is that often patients think it is “hemorrhoids”, a minor disease and do not see a doctor for a long time, but when they come for treatment, they find rectal cancer. Hemorrhoids do not usually turn into cancer, but rectal cancer may have the same symptoms as hemorrhoids, so it can cause misdiagnosis.