Rabeprazole 20mg twice a day is part of the dosage for the eradication of Helicobacter pylori infection and is useful for the symptoms of the disease. Rabeprazole is a proton pump inhibitor that can be used to treat gastric ulcers, duodenal ulcers, reflux esophagitis and other diseases. Usually adults can take 10-20mg each time, once a day. However, if a patient takes oral rabeprazole 20mg twice a day, it is a dosage for the eradication of Helicobacter pylori infection. Generally, if patients follow the doctor’s instructions to standardize drug treatment, its efficacy is better. Some patients may experience adverse reactions such as shock, pancytopenia, thrombocytopenia, visual impairment, and sensory delay during the use of rabeprazole. In particular, those who are allergic to the components of rabeprazole need to contraindicate the use of such drugs. When taking rabeprazole, patients need to combine their own situation, ask the doctor’s guidance, standardize the use of medication, in order to achieve the role of the treatment of disease.