Children’s diarrhea can be seen in acute diarrhea disease, lactose intolerance, milk protein allergy, etc., there is no uniform rapid diarrhea method, need to be given according to the cause of the treatment, such as lactose intolerance need to be taken orally lactase. 1. Acute diarrhea disease: such as Escherichia coli and other bacterial infections caused by acute diarrhea disease, clinical symptoms can occur, may be accompanied by fever, dehydration can occur in severe cases, for such children need to use antibacterial drugs, such as cefixime anti-infective treatment, and can be orally Clostridium casei and montelukast to relieve diarrhea and other treatments. 2. Lactose intolerance: these children due to various reasons caused by the intestinal lactase enzyme insufficiency, lactose intolerance in eating lactose-containing foods, diarrhea symptoms, such children can be oral lactase, formula milk feeding can be adjusted to lactose-free milk powder. 3. Milk protein allergy: these children in eating protein-containing food diarrhea symptoms, eczema and other manifestations of such children need to avoid such food, formula milk feeding needs to be adjusted to hydrolyzed protein milk powder, as appropriate. There are many causes of diarrhea in children, such as appendicitis, ulcerative colitis, etc. It is recommended to consult a physician for timely treatment under the guidance of a specialist. The above medications should be used under the supervision of a physician.