Sertraline, or sertraline hydrochloride tablets, treats functional dyspepsia mainly by improving the patient’s depression, anxiety and other bad moods, thus relieving the patient’s dyspeptic symptoms. Functional dyspepsia is a non-organic disease caused by gastric and duodenal dysfunction due to increased sensitivity of internal organs, psychosomatic factors, heredity, and dietary factors, and is mainly manifested by abdominal pain, heartburn, and postprandial fullness, etc., and is accompanied by depression, anxiety, and sleep disorders and other undesirable mental symptoms. Sertraline hydrochloride tablets is a selective 5-hydroxytryptamine reuptake inhibitor, which is mainly used in the clinical treatment of depression (such as anxiety, mania and other symptoms), obsessive-compulsive disorder and other diseases, but also can be used for depression, obsessive-compulsive disorder and other diseases of relapse and reoccurrence. Depression, anxiety and other bad mood will affect the gastrointestinal neuromodulation and other functions, causing functional dyspepsia. Sertraline treatment of functional dyspepsia is mainly used to improve the patient’s mood, relieve depression, anxiety and other symptoms, so as to improve the patient’s dyspepsia symptoms. Adverse reactions such as diarrhea, dry mouth, nausea, drowsiness, dizziness and headache, palpitation and rash may occur when taking it, and should be taken with caution by pregnant women, lactating women and the elderly. Also note that it is forbidden to combine with monoamine oxidase inhibitors, pimozide and other drugs. Sertraline hydrochloride tablets are recommended to consult a doctor in advance when taking, strictly in accordance with the doctor’s instructions, not self-medication, so as not to delay or even aggravate the condition.