The anal swelling of hemorrhoids may be caused by thrombosis in the blood vessels of the hemorrhoid nucleus, or by the prolapse of the hemorrhoid nucleus outside the anus with edema, both of which can be accompanied by more pronounced pain. The treatment can be conservative with medication, which can be oral Diosmin tablets or elimination tablets, external hemorrhoid cream plus hemorrhoid plugs, with warm water or warm salt water sitz bath symptomatic treatment, the edema will be relieved in about a week. If you are still unable to make the symptoms disappear by using medication, you need to go to the hospital promptly and may need surgery. Patients are advised to eat more coarse fiber foods such as vegetables and fruits to keep the bowels open and soft.