Hemorrhoids are the most common vascular disease of the anorectum. It can develop at any age, but the incidence increases with age. Hemorrhoids are divided into three types: internal, external and mixed hemorrhoids. So what causes the incidence of hemorrhoids to remain high? 1, blood flow problems in the anus. Some patients because of long time sitting, standing, lack of exercise, easy to cause the blood in the anus can not be normal circulation, so that hemorrhoids recurrence; There are some patients in the bowel movement when playing games or read the newspaper and so on to pass the time, so that the anus relaxation disorders, defecation time is too long, which leads to abdominal pressure is too large, the venous blood can not be normal exchanges, which led to the emergence of hemorrhoids. Of course, there are some diseases directly caused by increased abdominal pressure is also related to the occurrence of hemorrhoids, such as intra-abdominal tumors, uterine tumors, ovarian tumors, prostate hypertrophy, pregnancy, etc., these diseases will increase the abdominal pressure, preventing the venous blood from normal reflux, which results in the appearance of hemorrhoids. 2, dietary habits: due to dietary nutrition is not balanced, or long-term drinking and eating a lot of stimulating food and lead to perianal local congestion, triggering the occurrence of hemorrhoids. 3, personal hygiene problems: because the anus is the fecal discharge channel, easy to be infected by bacteria, if the anus is not regularly cleaned, the anus will breed a large number of bacteria or viruses around the anus, may trigger perianal infections, which may cause periarteritis, so that the veins lose elasticity and dilation, hemorrhoids formation. In addition, malnutrition can make the local tissue atrophy and weakness, low immune function, long-term mood can also induce the occurrence of hemorrhoids. What are the clinical manifestations of hemorrhoids? Internal hemorrhoids intermittent blood after defecation, there is a swelling out, can be accompanied by defecation difficulties. External hemorrhoids: anal pain and discomfort, moist and unclean, sometimes itching. Mixed hemorrhoids both. The incidence of hemorrhoids is very high, heavy can lead to severe anemia, local infection, thrombosis or detachment. Since ancient times, there are “ten people nine hemorrhoids” said. So attention to prevent the occurrence of hemorrhoids is very necessary. Prevent the occurrence of hemorrhoids to do the following: 1, strengthen exercise: can enhance the body’s ability to resist disease, reduce the possibility of disease, for hemorrhoids also have a certain preventive effect. Before the age of thirty can participate in jogging, swimming and other sports activities; after thirty years old, mainly to fast walking, tai chi and other slower sports. Physical exercise in moderation is beneficial to blood circulation and the prevention of hemorrhoids. Excessive exercise body fatigue can also get hemorrhoids. 2, pay attention to dietary regulation: drink less alcohol, eat less spicy stimulating food, reduce the stimulation of the anus. 3, the amount of diet should be moderate, neither too little nor too much, too little will be dry stool, too much will be obese. Especially in the morning must eat. Increase the amount of food and water appropriately when there is a lot of activity. 4, regular defecation and keep bowel movement, eat more vegetables, fruits, vegetables in the right amount of vegetable oil. 5, keep the anus clean. Promptly wash the anus after defecation. Such as sitz bath can not be too long, to 3-6 minutes best. 6, defecation to concentrate, avoid squatting for a long time in the toilet, squatting can not read books, newspapers, play cell phones. 7, to maintain a relaxed mood, etc.; to avoid sleeping at night and excessive comfort; sleep can not be too short, but also too long, to avoid lying down for a long time, sitting for a long time.