Hemorrhoids pain after bowel movement may be caused by a combination of thrombosis, embeddedness and inflammation. Hemorrhoids is a common clinical anorectal disease, can be divided into internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, usually hemorrhoids do not appear after stool pain. If it is internal hemorrhoids, when combined with thrombosis, embedded, inflammation, resulting in hemorrhoids, the blood supply is interrupted, causing tissue necrosis will appear pain. Secondly, in the case of external hemorrhoids, pain after bowel movement usually occurs when accompanied by inflammation. In the case of mixed hemorrhoids, where both internal and external hemorrhoids are present at the same time, both internal and external hemorrhoids are included in the causes of pain mentioned above. Most hemorrhoids are asymptomatic in the early stages. Common clinical symptoms are bleeding, perianal itching, and prolapse, which may occur occasionally or repeatedly. All in all, people with hemorrhoids need to intervene in the early stage, strengthen daily life management, improve poor dietary habits and bowel habits, and if necessary, need to cooperate with the doctor to actively give treatment, so as not to delay the aggravation of the condition.