After a woman is pregnant, the original hemorrhoids are prone to aggravation, and those without hemorrhoids are prone to hemorrhoids. The growing uterus during pregnancy, so that the anorectal blood vessels are pressurized, blood is concentrated in the pelvis, the anal area is also prone to stasis, varicose. Previously have hemorrhoids symptoms are not heavy, after pregnancy can make it worse. Coupled with the inconvenient activities of pregnant women, the amount of activity is relatively reduced, gastrointestinal function is weakened, feces stays in the intestinal lumen, the water in the feces is reabsorbed, resulting in dry stools, but also easy to induce hemorrhoids. During labor and delivery, the force added to the anus is several times that of normal, which may cause the hemorrhoids to prolapse. In order to prevent the deterioration of hemorrhoids in pregnancy, it is best to treat them appropriately before pregnancy. Hemorrhoids serious, of course, in pregnancy will be aggravated and produce pain, such as prolapse, blood, pain, defecation difficulties, etc., there are surgical indications of pre-pregnancy advisable surgical treatment. Life and diet should be regular, keep bowel movement, prevent constipation and diarrhea, avoid carrying heavy objects. Adequate activities should be carried out to avoid prolonged standing and sitting. The anus, rectum, sigmoid colon is the storage and excretion of feces, feces contains many bacteria, the anus around the easy to be contaminated by these bacteria, induced hemorrhoids. Should always keep the anus around the clean, daily warm water cleaning, change underwear, can play a role in the prevention of hemorrhoids, alleviate the role of symptoms.