Gastroenteritis diarrhea can be relieved by using drugs that regulate the intestinal flora, drugs that protect the gastrointestinal mucosa, antibiotics and other drugs. 1. Regulate intestinal flora: patients with gastroenteritis resulting in diarrhea, you can regulate the intestinal flora, you can use Saccharomyces boulardii, bifidobacteria, bacillus subtilis, typhimurium and other probiotic preparations to regulate the symptoms of diarrhea can be effectively relieved. 2. Protect the gastrointestinal mucosa: gastroenteritis diarrhea will lead to, the patient’s gastrointestinal mucosal damage, at this time you can use drugs to protect the gastrointestinal mucosa, such as bismuth, bismuth potassium citrate and other drugs to protect the mucosa, can effectively reduce the irritation of the intestinal tract. 3. Antibiotics: patients with gastroenteritis diarrhea, mostly due to foreign pathogenic bacteria infection, patients can use antibiotics for treatment, such as norfloxacin, levofloxacin and other drugs, can effectively eliminate pathogenic bacteria, relieve the symptoms of diarrhea. When patients have gastroenteritis diarrhea, you can use the above drugs to relieve, but none of the above drugs can be used without authorization, need to be used under the guidance of a doctor.