There are many kinds of anti-diarrheal drugs, the faster effect is diphenoxylate, and strong, common are the following: first, astringent, adsorption, mucous membrane protection drugs including medicinal charcoal, bismuth subcarbonate, tannin, double octahedral montmorillonite. Second, drugs that reduce intestinal peristalsis include compound camphor tincture, diphenoxylate, loperamide. Third, the drugs that inhibit intestinal overproduction include abscisicadotril. However, any drug has its own characteristics, and diarrhea caused by different diseases should be treated for the cause rather than symptomatic treatment alone. Etiological treatment is the root, so when choosing drugs you need to first consider the cause, and also the drugs need to be individualized and treated differently from person to person, only then can you achieve the best results.