Watery stools may be caused by food poisoning, chronic enteritis, rotavirus, etc. Oral antibiotics, antidiarrheal and antiviral medications and gastric lavage can be prescribed. 1. Food poisoning: You may have eaten undercooked string beans or sprouted potatoes, which may lead to food poisoning, thus resulting in watery stools. You can follow the doctor’s instructions to use antibiotics, such as levofloxacin, cephalosporin, etc., and if necessary, also need to induce vomiting gastric lavage treatment. 2. Chronic enteritis: due to inflammation of the intestinal tract, resulting in abdominal pain, watery stool and other symptoms. Patients can follow the doctor’s instructions to take antidiarrheal drugs, such as montelukast, loperamide and so on. 3. Rotavirus: After rotavirus infection, patients are prone to watery stools. Patients can take oral antiviral medication, such as ribavirin, famciclovir, etc., in addition to timely rehydration to prevent dehydration. Patients with watery stools are advised to go to the hospital in time to identify the cause of the disease, and according to the cause of the standardized treatment, the above drugs should be taken under the guidance of a doctor.