Accumulation of food is the term used in Chinese medicine, which is called indigestion in western medicine. Accompanying poor appetite may be caused by functional dyspepsia, chronic gastritis, gastroduodenal ulcer, hypothyroidism, depression and other factors, which need to be regulated by dietary and medication treatments. 1. Functional dyspepsia: lack of dietary fiber in food, eating hard and dry food for a long time, excessive stress and other factors lead to gastrointestinal peristalsis, dyspepsia, loss of appetite. Need to eat light and easy to digest food rich in dietary fiber, take drugs such as domperidone to promote gastric motility. 2. Chronic gastritis: most of them are related to Helicobacter pylori infection. Chronic inflammation of the gastric mucosa leads to decreased digestive function, so indigestion and decreased appetite. Helicobacter pylori positive can apply omeprazole, amoxicillin, doxycycline, bismuth pectin quadruple therapy. 3. Gastroduodenal ulcer: gastroduodenal mucosal ulcerative lesions lead to localized mucosal function impairment, so there will be indigestion, decreased appetite. You can take omeprazole, bismuth potassium citrate and other drugs for treatment. 4. Hypothyroidism: patients with reduced release of thyroid hormones, resulting in gastrointestinal smooth muscle metabolism is low, peristalsis is weakened, so there will be indigestion, loss of appetite, you need to take levothyroxine sodium tablets for treatment. 5. Depression: depressed patients will not only have low mood, anxiety and depression and other mental symptoms, will also involve the digestive system and other parts of the indigestion, loss of appetite and other symptoms, you can take medication such as paroxetine, at the same time need to cooperate with psychological behavioral therapy. Pay attention to the use of medication under the guidance of a physician.