Repeated bleeding of internal hemorrhoids is mainly due to congestion of the mucous membrane of the anal cushion, and the mucous membrane is broken during defecation. Bleeding is a common clinical manifestation of internal hemorrhoids, varicose veins doctrine that the formation of hemorrhoids and venous expansion of blood related. Anatomically speaking, the portal venous system and its branches of the rectal veins are no venous valves; the upper and lower rectal venous plexus has a thin wall, shallow location, and is located in the lowest position of the abdominopelvic cavity; the end of the rectal submucosal tissues are flaccid, and all of the above factors are prone to blood stagnation and venous dilatation, which leads to internal hemorrhoids easily rupture and bleed. Long-term drinking, eating a lot of stimulating food, perianal infection and malnutrition can induce the formation of hemorrhoids, manifested as the expansion of the anal venous plexus, congestion, when defecation can be mucous membrane rupture, which occurs after the performance of blood drops. When internal hemorrhoids are severe, there can be jet-like bleeding performance. Patients with recurrent bleeding of internal hemorrhoids should go to a regular hospital in time to get a clear diagnosis and the extent of the condition, and take appropriate treatment to avoid delays in the condition.