Hemorrhoids generally do not cause diarrhea, diarrhea is mainly caused by gastrointestinal diseases, improper diet, there will be an increase in the number of stools, stimulation of the anal canal, rectal mucosa, so that the mucous membrane congestion, dilatation, it will aggravate hemorrhoids, so that hemorrhoids inflammation, bleeding, which causes swelling, pain, prolapse. At this time, you can use local external hemorrhoid cream, hemorrhoid suppository, can also use potassium permanganate solution for anal fumigation, sitz bath, but also to treat diarrhea, you can take oral montelukast, Jin Shuangqi, but also oral or injectable antibiotics and so on. Usually pay attention to diet and hygiene, eat light, easy to digest food, replenish water, keep clean and hygienic around the anus, proper exercise, often do anal lifting exercise.