Six-year-old children diarrhea can be seen in infectious diarrheal diseases, non-infectious diarrheal diseases, etc., with what drugs need to be decided according to the cause of the disease, such as bacterial infections caused by diarrheal diseases need to use cefixime and other anti-infective treatment. 1. Infectious diarrhea disease: such as viral or bacterial infections caused by diarrhea disease, some may be accompanied by vomiting, fever and other symptoms. Treatment requires the use of montelukast to stop diarrhea, Clostridium typhimurium and other drugs for intestinal regulation, relieve diarrhea symptoms. Bacterial infections caused by diarrhea need to use cefixime and other drugs for treatment, the virus caused by self-limiting, can not be special drugs. 2. Non-infectious diarrhea (1) lactose intolerance, mostly due to intestinal lactase enzyme insufficiency, diarrhea symptoms can occur after eating lactose-containing foods, such children need to avoid such foods, and need oral lactase and other treatments when necessary. (2) food-borne diarrhea: mostly caused by improper diet, such children can take oral montelukast and other drugs to relieve diarrhea symptoms, and reasonable diet. It is recommended that six-year-old children with diarrhea actively seek medical attention and be evaluated and guided by a specialist for treatment. The above medications should be used under the supervision of a physician.