Vonorasan fumarate tablets can be used together with mucosal protectants or gastrointestinal power drugs, such as bismuth potassium citrate. Vonorasan fumarate tablets are used for the treatment of reflux esophagitis, in which the active ingredient vonorasan can inhibit the H+ and K+-ATPase activity by the way of potassium ion competition, and it can stay in the cell site of the stomach wall for a long time, which can help inhibit the production of gastric acid and effectively inhibit the appearance of the mucous membrane damage in the upper part of the gastrointestinal tract, and it can be combined with mucous membrane protector or gastrointestinal dynamics medicines under the guidance of doctors. The common adverse reactions of vorasan fumarate tablets include jaundice, urticaria, toxic epidermal necrolysis and drug dermatitis, etc. Vorasan fumarate tablets are contraindicated for those who are allergic to vorasan fumarate tablets. The application of the above drugs have certain risks, it is recommended to follow the doctor’s instructions to take drugs, do not unauthorized use of drugs.