The stomach pain after drinking and vomiting acid water is mostly caused by excessive secretion of stomach acid, which can be treated by general treatment and medication. 1. General treatment: you can increase the amount of water you drink, which will help reduce the stimulation of stomach acid on the stomach. You can also eat some noodles, porridge and other easy-to-digest foods to avoid aggravating the burden on the stomach. 2. Drug treatment: If the patient’s symptoms are more serious, or the effect of general treatment methods is poor, you can take drugs such as rabeprazole, omeprazole and ranitidine for treatment, which is conducive to reducing the secretion of gastric acid. The above drugs may cause patients to have constipation, abdominal pain and other adverse reactions, can be combined with mucosal protective agents, if necessary, gastroscopy. The above drugs are prohibited for those who are allergic to them, and they should all be taken in accordance with medical advice. If the patient appears to vomit acidic water after drinking stomach pain, it is recommended to go to the regular hospital in a timely manner, after clarifying the cause of the disease, under the guidance of the doctor for targeted treatment or treatment.