There are more causes of diarrhea, such as acute gastroenteritis, intestinal flora imbalance, gastrointestinal dysfunction, ulcerative colitis and so on. There is no so-called rapid stop diarrhea method, should be examined to clarify the cause of the targeted treatment, the usual choice of drugs are antidiarrheal agents, anti-infective drugs, micro-ecological agents, mucosal protective agents and other drugs for treatment. 1. Antidiarrheal agents: commonly used in patients with clear etiology and severe diarrhea symptoms, commonly used compound phenethylpiperidine, loperamide and so on. It is forbidden to be used in acute bacillary dysentery accompanied by high fever and pus and blood stools. 2. Anti-infective drugs: anti-infective treatment for different pathogens, commonly used antibiotics such as levofloxacin, amoxicillin and anthelmintics such as albendazole. 3. Microecological agents: Bifidobacterium bifidum capsules and Lactobacillus acidophilus are commonly used to help restore the ecological balance of normal intestinal flora. Avoid taking them together with antibacterial drugs. 4. Mucosal protective agent: commonly used montmorillonite powder, etc., which can enhance the intestinal barrier function. If constipation occurs, the dose can be reduced to continue to take. There are many causes of diarrhea, if you have uncomfortable symptoms, you need to go to the hospital as soon as possible, by the doctor according to the specific conditions, to develop individualized diagnosis and treatment plan, so as not to delay the condition.