Diarrhea is also known as diarrhea. There are many reasons for diarrhea, anal itching, clinically common such as eating spicy stimulating food, proctitis, hemorrhoids and so on. 1. Eating spicy stimulating food: If the gastrointestinal function is poor, spicy stimulating food stimulation of the intestinal tract, resulting in intestinal mucosal damage, long-term stimulation may lead to chronic inflammation of the rectum, such as increased defecation, diarrhea, anal itching and other symptoms, pay attention to a light diet, good cleanliness around the anus. 2. proctitis: is caused by infection, inflammatory bowel disease and other factors of inflammation of the inner wall of the rectum, the main clinical manifestations of diarrhea, anal swelling, abdominal pain, mucus stools accompanied by anal itching and other symptoms, leading to diarrhea pulling anal itching phenomenon. 3. hemorrhoids: is a common anorectal disease, usually by long-term constipation, defecation time, diarrhea and other triggers lead to anal tube congestion and enlargement, the main clinical manifestations of diarrhea, blood in the stool, pain, anus, anal foreign body, anal prolapse, itching and other symptoms, which led to the patient to have a diarrhea pulling the anal itch. In addition to the above factors, leading to diarrhea anal itching there are many other factors, such as perianal eczema. If there is an unknown cause of diarrhea, anal itching to go to the hospital in a timely manner to check, clear cause, follow the doctor’s instructions for treatment, to avoid delayed aggravation of the condition.