Patients with atrophic gastritis intestinalization who are deficient in B vitamins can take multivitamin tablets as prescribed by their doctor. Multivitamin tablets are compound preparations made of vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacinamide, and calcium pantothenate as the main ingredients, which are suitable for the treatment of various diseases caused by the lack of B vitamins. The drug is contraindicated in people who are allergic to the product. Adverse reactions of skin flushing, itching and yellowing of urine may occasionally occur after use of the drug, which generally does not affect the use of the drug. Specific use of the drug should be carried out under the guidance of a specialist physician, need to strictly follow the recommended dose of the drug, not unauthorized use of the drug. Atrophic gastritis with intestinalization should be timely hospital diagnosis and treatment.