肛裂是肛门直肠疾病中的一种常见而又顽固的疾病,主要是由于长期大便干结造成肛管机械性裂开所致。其表现为排便前或后的肛门部痉挛性剧痛,大便表面带鲜血或便后滴血;轻轻分开肛门多在肛管后正中线发现裂口。 Anal fissure is a common and stubborn disease in anorectal diseases, mainly due to the mechanical rupture of the anal canal caused by long-term stool dryness. The performance of defecation before or after anal spasmodic pain, stool surface with blood or stool after bleeding; gently split the anus and more in the midline after the anal found a gap.