The reason for anal pain during diarrhea, mainly through three ways to improve: 1, improve the condition, the cause of diarrhea is mainly related to cold, improper diet, in the acute stage of the disease, diarrhea may lead to can not eat, at this time to supplement the nutritional solution to alleviate the condition. 2, do a good job of care, due to frequent diarrhea, and feces in the fecal matter there are also irritating elements, it will cause the anus to appear chapped, and sometimes the phenomenon of anal fissure, both of which will lead to anal pain, at this time it is recommended to timely cleaning, in the cleaning after the local skin drying, and apply buttock cream or moisturizing cream this kind of skin care products to protect the skin, so that the skin and other substances to isolate. 3, to improve the diet, in the period of diarrhea try not to eat spicy, irritating, and cold food, spicy and cold food, and the skin to isolate. As well as cold food, spicy and stimulating substances, excreted feces will also be with irritating substances, easily lead to skin allergies, cracking, peeling and so on, so the diet should be light, soft, easy to digest.