Vomiting up jaundiced water means that the impurities vomited up contain bile, and does not mean that there is a certain lesion. Some patients are prone to biliary reflux when eating indigestible food and often have the habit of vomiting jaundice water. Jaundice water is mostly alkaline bile, which irritates the patient and causes discomfort. So depending on the situation, vomiting jaundiced water may also be a normal physiological phenomenon, there may be biliary reflux, you can carry out examinations, including imaging tests, oncological indicators, liver function and liver function tests, to clarify the overall condition of the body, most of the vomiting jaundiced water does not mean that there is a lesion, so it is necessary to clarify the cause of the disease and take appropriate treatment.