There are more reasons for wanting to vomit, not necessarily AIDS, such as early pregnancy reactions, gastrointestinal disorders, and abnormal liver function. But it can also be caused by AIDS. 1. Early pregnancy reaction: women of childbearing age will experience abdominal distension, nausea and vomiting due to the large changes in hormone levels in the body after pregnancy, which will affect the digestive function of the stomach and intestines. 2. Gastrointestinal diseases: gastritis, gastroesophageal reflux disease and other digestive disorders, due to the damage of the gastrointestinal mucosa, when the stomach is stimulated, it may appear to eat and want to vomit. 3. Liver function abnormality: causes of liver function abnormality, including viral hepatitis, alcoholic hepatitis, steatohepatitis, etc. Patients with liver disease, there may be nausea, want to vomit clinical manifestations, mainly due to the presence of hepatitis resulting in liver function abnormality, which is prone to gastrointestinal reactions. 4. AIDS: In the acute stage, when the AIDS virus attacks the immune system, resulting in severe damage to the immune system, it will trigger a variety of infections. Nausea and vomiting, loss of appetite, as well as long-term, repeated diarrhea, often accompanied by fever and other manifestations. When eating and wanting to vomit, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause with the doctor’s help, and carry out targeted treatment or therapy.