Itching in the anus, stool wiping common causes are hemorrhoids, anal fistula, proctitis and so on. 1. Hemorrhoids: mainly due to rectal varicose veins, blood stasis makes the veins dilated to form hemorrhoids. Hemorrhoids are mainly associated with long squatting, constipation, eating spicy food and so on. The performance of the anus itching, stool can not be wiped clean, after defecation, there is a protruding mass in the anus. Conservative treatment can be applied locally, such as Ma Yinglong hemorrhoid cream, bitter ginseng lotion. Conservative treatment is ineffective when surgery can be considered. 2. anal fistula: anal fistula caused by perianal abscess, can form a rupture, due to the fistula in the secretion outflow, stimulation of the surrounding skin can appear eczema, cause anal skin itching. When there is an increase in perianal secretions, the stool can not be wiped clean. If the anal itching, you should seek medical treatment as soon as possible, you can choose conservative or surgical treatment. 3. Proctitis: It is a common intestinal disease, mainly caused by low immunity and infection. There is burning pain in the anus during bowel movement, and itching of the anal skin due to the stimulation of secretions. The patient often manifests the urgency and heaviness of the bowels, and the stool is not wiped clean. It should be diagnosed and treated as soon as possible. Dietary fiber food, such as fresh vegetables and fruits, to develop good defecation habits. If you find that the condition is serious, go to the hospital in time and choose the most appropriate treatment under the guidance of the doctor.