Diarrhea is a common manifestation of intestinal diseases, often have a clear cause, usually given to stop diarrhea symptomatic treatment (oral medication, etc.) and etiological treatment, prescription treatment of diarrhea efficacy is not accurate. Commonly used in the treatment of diarrhea drugs such as montelukast. The above treatment can only symptomatic relief of diarrhea symptoms, the most important treatment is to clarify the cause of diarrhea, treatment of the original disease. Diarrhea can be divided into acute diarrhea and chronic diarrhea. Common causes of acute diarrhea are infection, food poisoning, etc. Chronic diarrhea is caused by chronic infection, malabsorption, digestive dysfunction, intestinal tumors, neurological disorders. Diarrhea symptoms, mild symptoms can be self medication, such as medication after the symptoms did not improve, should be timely medical care, a clear diagnosis for further treatment.