Stool will be accompanied by tearing pain, the more common reasons are: first, anal fissure, stool dryness is easy to damage the anal canal skin and the formation of fissure. Every time you have a bowel movement, it is easy to damage the fissure and cause pain, because the pain nerve below the dentate line is more sensitive, so do not be nervous about this situation, first of all, pay attention to diet, avoid spicy and stimulating food, pay attention to soften the stool, oral honey or paraffin oil. Second, you can use warm salt water or 1:5000 potassium permanganate sitz bath, promote perianal blood circulation, promote the cleaning of anal fissure wound. Third, you can apply hemorrhoid cream on the wound to play the role of anti-inflammatory and swelling. Tearing pain in the stool, may be perianal eczema, perianal eczema is this fungal infection, in the anus around the visible chafing, stool dryness easily lead to chafing mouth become larger and deeper. So treatment in addition to warm salt water sitz baths to maintain perianal circulation, you should also apply antifungal drugs, such as tretinoin econazole (cream).