Vomiting bile after heavy drinking may be caused by alcohol stimulation of gastrointestinal smooth muscle spasm, which requires fasting, rehydration and antispasmodic treatment. 1. Fasting: if you vomit bile after drinking a lot of alcohol, it means that the vomiting is very violent, it is best to avoid food intake and appropriate rest, which can reduce the stimulation of the gastrointestinal mucosa to a certain extent. 2. Rehydration: bile vomiting after drinking a lot of alcohol, it is possible to vomit out of the gastrointestinal tract, resulting in low sodium or potassium, if necessary, can follow the doctor’s instructions for intravenous fluids to replenish the appropriate electrolytes. 3. Antispasmodic: if the patient frequently vomits and abdominal pain is severe, you need to follow the doctor’s instructions to take belladonna tablets or metoclopramide and other medications for symptomatic treatment, but also intramuscular injection of atropine to alleviate the symptoms of gastrointestinal spasms to relieve the symptoms of vomiting. If you vomit bile after drinking a large amount of alcohol, it is best to consult a doctor in time, receive regular treatment and actively observe the change of symptoms, so that you can slowly return to normal.