Not all functional dyspepsia will have the clinical manifestation of not being hungry, and the appearance of not being hungry is mainly due to gastrointestinal dysfunction, which needs timely treatment. Functional dyspepsia will appear gastrointestinal dysfunction, gastrointestinal peristalsis slow down, will slow down the time of food digestion, so some patients will feel not hungry. It is recommended to improve the symptoms by taking a light diet, reasonable exercise, quitting smoking and drinking, and relaxing the mind. If there is no obvious effect of non-pharmacological treatment, it is recommended to take proton pump inhibitors such as omeprazole to inhibit gastric acid secretion; to take domperidone to promote gastrointestinal peristalsis; and to take aluminum sulfate to protect the gastric mucosa. Drugs are recommended to be used in accordance with medical advice, adverse reactions need to consult a doctor, drug allergy is prohibited. After standardized treatment, it can significantly correct the disorders of the gastrointestinal tract function, enhance the peristalsis of the gastrointestinal tract, thus improving the prognosis of the disease.