Perianal flow butter mainly consider occasional over-nutrition or external hemorrhoids and other perianal lesions combined with chronic intestinal infections and other reasons. 1. Due to the perianal local hygiene is not easy to ensure complete cleanliness, at the same time the patient short-term consumption of large quantities of greasy food, gastrointestinal absorption is incomplete, accompanied by fecal discharge, the perianal area will produce a small amount of flow of yellow secretion, like butter like symptoms. 2. If the perianal existence of external hemorrhoids, redundant organisms and other diseases, at the same time the patient has ulcerative colitis and other intestinal, perianal chronic infection, triggered by anal sphincter insufficiency, perianal secretion similar to the mucus secretion of the oily liquid, there may also be blood in the stool and other accompanying symptoms. In short, perianal disease is easy to trigger the corresponding parts of the seepage, so you need to actively carry out hygiene care, to ensure local cleanliness, while actively treating the primary disease, if necessary, under the guidance of a professional doctor, the use of drugs, surgery for treatment.