Do not want to eat anything belongs to the performance of decreased appetite, may be related to indigestion, chronic gastritis, viral hepatitis, etc., may also be related to mental factors. 1. Indigestion: due to slow gastrointestinal peristalsis, food stays in the gastrointestinal tract for a long time, there is often a decrease in appetite, do not want to eat symptoms, may also be accompanied by acid reflux, bloating and other symptoms. 2. Chronic gastritis: mainly chronic inflammation of the gastric mucosa, patients tend to lose appetite, acid reflux, nausea and other symptoms, some patients also feel pain in the upper abdomen. 3. Viral hepatitis: Because the liver is infected by viruses, certain liver function damage will occur, thus causing indigestion in the digestive tract, feeling loss of appetite, anorexia greasy. 4. Mental factors: such as mental depression, excessive stress, will affect the appetite, resulting in loss of appetite. Do not want to eat anything may also be due to other reasons, if the symptoms continue to be unrelieved, you should consult a doctor in a timely manner, under the guidance of a professional physician to identify the causes.