For the case of drinking expired yogurt vomiting and diarrhea, mostly considered due to unclean diet caused by acute gastroenteritis, need to rest, rehydration, the use of loperamide, levofloxacin, probiotic preparations and other drug therapy. 1. General treatment: Ensure adequate rest, appropriate hydration to avoid dehydration; intravenous fluid supplementation and appropriate electrolytes for those who are dehydrated. 2. Medication: Loperamide and other antidiarrheal drugs, metoclopramide and other antiemetic drugs, probiotics and other intestinal microecological regulators, levofloxacin and other antibiotics can be taken orally as prescribed by the doctor. It is recommended that those who drink expired yogurt vomiting and diarrhea go to the regular hospital in time, a clear diagnosis, standardized treatment under the guidance of the doctor, so as not to delay the condition of the body to bring adverse effects.