Diarrhea that is diarrhea, eat a few parsley after diarrhea is generally gastrointestinal dysfunction or acute gastroenteritis, can be selected according to the cause of the general treatment and medication and other treatment methods. 1. Gastrointestinal dysfunction: diarrhea caused by improper diet, can follow the medical advice to use montelukast to stop diarrhea. If stomach pain occurs, can be combined with atropine antispasmodic relief pain. Diet should be regular, regular and quantitative, avoid overeating, reduce the burden on the stomach and intestines. 2. Acute gastroenteritis: Acute gastroenteritis is a bacterial infection of the gastrointestinal tract caused by bacterial and viral infections due to unclean diet. You can take levofloxacin, ciprofloxacin and other drugs as prescribed by the doctor. When diarrhea is severe, it is recommended to go to the hospital to check the blood routine and stool routine, and if necessary, infusion treatment. During the period of diarrhea, try to eat some light, mild and easy-to-digest food, and pay attention to drink more water to avoid dehydration.