Dry vomiting and stomach pain are related to food stimulation, abdominal cold, gastritis, gastric ulcer and other factors. Some people experience dry vomiting and stomach pain after the intake of certain foods, such as chili pepper and garlic, which are directly related to the stimulation of the stomach mucosa caused by food. Spicy food will directly stimulate the mucosa of the stomach wall after entering the stomach, leading to stomach wall spasm. When the stomach is cold, the blood vessels of the stomach wall will contract and the blood circulation will be impaired, thus affecting the stomach function, and dry vomiting and stomach pain will also occur; some people have dry vomiting and stomach pain because the protective barrier of the stomach mucosa is damaged and the stomach acid violates the stomach mucosa Caused by, for example, gastritis and gastric ulcer, they need to be treated with drugs that inhibit gastric acid secretion and promote mucosal repair, such as lansoprazole and colloidal pectin bismuth.