Belching and vomiting yellow liquid is considered to be indigestion, chronic gastritis, gastroesophageal reflux disease and other diseases caused by the need for targeted treatment under the guidance of a doctor, such as general treatment, omeprazole, domperidone and other medications. 1. Dyspepsia: there can be belching, early satiety, nausea, vomiting. When postprandial fullness and early satiety are the symptoms, drugs such as domperidone and mosapride can be used to promote gastrointestinal dynamics; some patients can improve after treatment with acid-suppressing drugs such as omeprazole and cimetidine. 2. Chronic gastritis: belching, nausea and even vomiting may occur. Lansoprazole, omeprazole and other acid-suppressing drugs can be used under the guidance of the doctor; with Helicobacter pylori infection can use quadruple therapy, that is, amoxicillin, metronidazole combined with omeprazole, bismuth potassium citrate. 3. Gastroesophageal reflux disease (GERD): there can be heartburn, belching, nausea, vomiting, abdominal distension and other symptoms; the head of the bed should be elevated 15-20 cm when sleeping, keep upright for 20-30 minutes after meals, and should not eat 2-4 hours before going to bed, etc.; it can also be used as gastric stimulating drugs such as domperidone, mosapride, etc., and neutralize gastric acid with drugs such as aluminum hydroxide and magnesium aluminum carbonate. When belching and vomiting yellow liquid occurs, it is recommended to go to the hospital, ask the doctor to clarify the cause of the disease and give treatment plan.