Vomiting yellow water may be caused by chronic gastritis, bile reflux gastritis, acute cholecystitis, etc., as follows: 1. Chronic gastritis: patients can vomit yellow water after eating due to inflammatory stimulation, and accompanied by varying degrees of indigestion, which can be treated with magnesium aluminum carbonate tablets, itopride hydrochloride tablets, etc. If gastroscopy has H. pylori infection, it can be treated with triple therapy, using two antibiotics plus a proton pump inhibitor, antibiotics can use clarithromycin, furazolidone, tetracycline, etc., and proton pump inhibitors can use rabeprazole, omeprazole, etc.; 2. Biliary reflux gastritis: bile and pancreatic juice flow back into the stomach from the duodenum, causing chronic inflammation, erosion and ulceration of the gastric mucosa. The symptoms are epigastric pain, abdominal distension, nausea, vomiting yellow water, loss of appetite, etc. Treatment is mainly to adsorb bile, protect the gastric mucosa, reduce bile damage to the gastric mucosa, improve gastric power and reduce reflux; 3. Cholecystitis: Patients with cholecystitis due to overeating and heavy drinking, in addition to vomiting yellow water can also have symptoms of severe pain or colic in the right upper abdomen. You can take oral anti-inflammatory and bile tablets for treatment, and if there is gangrene and perforation of the gallbladder, you need timely surgery; 4, other: vomiting yellow water can also be caused by gastrointestinal colds, food poisoning and other causes, the symptoms should go to the hospital in time to identify the cause and treat the symptoms. Patients with severe vomiting should also promptly replenish water, you can drink some light saline to avoid dehydration and electrolyte disorders.