Nausea, gastric distension, and desire to vomit may be related to two conditions, a physiological condition and a pathological condition. 1. Physiological condition: mainly seen in women of childbearing age, mainly to exclude early pregnancy reactions leading to nausea, gastric distension, and desire to vomit in patients, especially more obvious in the morning. There is also functional dyspepsia, where the patient may have obvious gastrointestinal hypokinesia due to emotions, stress or poor sleep at night, or functional disease caused by poor digestion. 2. Pathological disease: first, we must rule out the presence of Helicobacter pylori infection, the patient may have nausea, bloating, vomiting, accompanied by obvious oral odor, bad breath, etc. A breath test for Helicobacter pylori The diagnosis can be further clarified. There are also gastrointestinal diseases, such as peptic ulcer, gastritis or intestinal diseases, which may lead to reduced peristaltic function of the gastrointestinal tract, along with reduced digestive function, and other digestive system diseases such as biliary tract and pancreas should be excluded. In addition to digestive problems, cardiovascular and cerebrovascular, such as heart attack or other central nervous system, as well as Meniere’s disease and glaucoma in the eye, should also be considered. Nausea, bloating and vomiting may occur, and if symptoms are not relieved, it is recommended to go to the hospital immediately for examination.