Vomiting and diarrhea after drinking white wine may be gastroenteritis, impaired liver function and other reasons. 1. Gastroenteritis: alcohol is mainly absorbed in the stomach and intestines. After drinking white wine, it may stimulate the gastrointestinal mucosa leading to gastric mucosal congestion and edema, vomiting and diarrhea and other symptoms. White wine may also kill the normal flora of the stomach and intestines, thus leading to the patient is susceptible to bacterial or viral infections, vomiting and diarrhea symptoms of gastroenteritis. 2. Impaired liver function: white wine is mainly metabolized by the liver. After drinking white wine, if the amount taken exceeds the metabolic function of the liver will lead to liver function damage, and indigestion, vomiting and diarrhea and other symptoms. If the phenomenon of vomiting and diarrhea after drinking white wine, you need to further check the blood routine, fecal routine, liver function and other items, under the guidance of the doctor for treatment. Also drink more hot water to promote alcohol metabolism and hydration.