Diarrhea anal pain, may be due to the number of diarrhea, caused by the anal mucosa stimulation, causing congestion and edema and pain. In the event of intestinal diseases such as viruses, bacteria and other causes of enteritis or poisoning can lead to diarrhea symptoms, if the diarrhea is not stopped in time, frequent evacuation of dilute stools, stool substances can stimulate the mucous membranes around the anus, both the local pressure in the anus is increased and there is congestion and edema of the anal mucosa. In addition, frequent wiping of the anus with handkerchiefs can also cause friction damage to the skin and mucosa, causing pain. It is recommended that the patient after the occurrence of diarrhea timely medical care, clear cause, symptomatic treatment, after the stool can be used to wipe the local soft wipes, and keep the local clean and dry, but also can sit in the bath to relieve the pain, the specific compliance with the implementation of the doctor’s orders, to avoid aggravation of the condition.