Diarrhea, also known as diarrhea, can commit hemorrhoids because of anal cushion congestion, downward movement, and the problems of the anal canal veins, etc., as follows: 1, anal cushion congestion, downward movement: prolonged diarrhea can lead to the closure of the anal cushion, the role of the anal canal to restrain defecation is weakened, and after the weakening of this elastic retraction, the anal cushion will be congested, downward movement, and also the formation of hemorrhoids. 2, the problems of the anal canal veins, etc.: prolonged diarrhea can The pressure of the abdominal cavity will increase, which will affect the blood return of the rectal-anal plexus, and will easily lead to blood stagnation and venous dilatation, and over time, hemorrhoids are formed. The prolonged diarrhea will stimulate the perianal mucosa, and the perianal mucosa will be stimulated for a long time to become infected and cause perivenous inflammation, and perivenous inflammation will cause the veins of the rectum and anal canal to lose elasticity and dilate, and over time, hemorrhoids will form.