Anal discharge can usually be caused by anal fissure and sinusitis, which can be treated with medication and surgery under the guidance of a doctor. 1. Anal fissure: anal fissure refers to the exit of the digestive tract from the dentinal line to the anal verge of the narrowest surface of the anal canal tissue fissure, may be due to diarrhea, constipation and other reasons for the cause of the patient usually have anal pain, blood in the stool, anal discharge and other symptoms, can be used under the guidance of a doctor to treat ibuprofen extended-release capsule, diclofenac cream and other medications, allergic to this type of drug patients to prohibit the use of this medication. 2. Sinusitis: sinusitis is generally referred to the anal dentition of the anal cavity inflammatory lesions, may be due to infectious factors and dietary factors and other reasons, usually appear when defecation anal pain, flow of secretion and other symptoms, the patient can be in the doctor’s operation in the sinusitis incision and drainage surgery for treatment. The phenomenon of anal discharge, the patient should promptly go to the hospital for examination, to clarify the cause of the disease, under the guidance of the doctor for reasonable treatment.