Treatment of diarrhea should be selected for the typology of diarrhea so as to treat it symptomatically. First, infectious diarrhea, for dysentery E. coli infection of mild acute diarrhea, oral safranin should be preferred. Oral medicinal charcoal can play the role of adsorbing gas, bacteria and toxins in the intestine and should be taken before meals; tannin can play the role of astringent, reduce inflammation and protect the intestinal mucosa and should be taken on an empty stomach. Second, digestive diarrhea should be taken pancreatic enzyme multi-enzyme tablets. Third, irritable diarrhea can be considered the application of montelukast, while oral lactase raw or microecological preparations, such as bifidobacterium, lactobacillus, etc. Fourth, diarrhea caused by dysbiosis of intestinal flora can be taken orally with Bifidobacterium, compound acidophilus, Bifidobacterium trisporus capsules and other drugs.