One tablet a day of rabeprazole for stomach pain needs to be taken for two to four weeks or four to eight weeks, i.e. about 14 to 56 days. Rabeprazole belongs to the proton pump inhibitor, its mechanism is to inhibit the cells of the stomach wall, so as to achieve the effect of inhibiting the secretion of gastric acid, reducing the stimulation of gastric acid on the mucosa of the stomach wall, relieving the symptoms of gastric ulcers, and the pain in the stomach will be reduced. Therefore, it is generally used in the treatment of gastric ulcer, duodenal ulcer, gastroesophageal reflux and other diseases. Its specific clinical dosage is, for the treatment of stomach pain caused by chronic gastritis, generally 10-20mg a day, take two to four weeks; treatment of gastric ulcer 10-20mg each time, that is, one tablet, once a day, usually a course of four to eight weeks, usually half an hour before a meal, the efficacy of its better, the specific dosage and duration of the course of treatment, need to be based on the doctor’s instructions, as well as their own situation. If the patient’s symptoms do not improve or aggravate, it is recommended to go to the hospital as soon as possible, after identifying the cause of the disease, under the guidance of the doctor for targeted treatment.