If the belching caused by mental psychological factors can be treated with chlorpromazine, if the belching caused by gastrointestinal diseases, the effect of taking chlorpromazine is not good. Chlorpromazine belongs to the phenothiazine class of antipsychotics, clinically mainly used for hallucinations and delusions, euphoria and agitation, thought disorders, vomiting or intractable eructation, etc., for belching caused by psychiatric factors can also be treated with this product. Its adverse reactions are dry mouth, lack of appetite, fatigue, drowsiness, etc. It is contraindicated for those who are allergic to phenothiazines, glaucoma, basal ganglia lesions, Parkinson’s disease and so on. Belching is the sound made by the gas in the stomach going up to the throat, often accompanied by other symptoms such as abdominal pain, bloating, acid reflux and so on. In addition to psychosomatic factors, belching is often seen in diseases such as reflux esophagitis and functional dyspepsia, which are not suitable for treatment with chlorpromazine, but can be treated with drugs such as domperidone, ranitidine and omeprazole. Please choose the appropriate treatment according to the cause of the disease after diagnosis by a physician, and should not blindly use drugs to avoid adverse consequences.