Fresh blood in the stool with tearing pain may be caused by anal fissure, or mixed hemorrhoids. Anal fissure is a small ulcer formed after tearing the skin below the dentate line of the anal canal, mostly seen in middle-aged and young people, related to long-term constipation, fecal dryness and other mechanical damage. Anal fissure patients mainly manifested as severe pain during defecation with blood overflow, and then pain relief, about half an hour later due to anal sphincter spasm again severe pain, that is to say, the emergence of pain during defecation – relief after defecation – a period of time after the cycle of pain performance again. Mixed hemorrhoids refers to the simultaneous existence of internal and external hemorrhoids, internal hemorrhoids are most typically characterized by fresh blood during or after defecation, while external hemorrhoids are most often characterized by pain during defecation. Mixed hemorrhoids have the symptoms of both internal and external hemorrhoids, and sometimes a soft tissue mass can be seen prolapsing from the anus. Fresh blood with tearing pain during defecation is recommended to go to the hospital as soon as possible, to clarify the cause of the disease as soon as possible, to be treated accordingly.