Teprenone capsule is a kind of gastric mucous membrane protection drug, some patients may cause liver dysfunction and jaundice after taking this drug, patients check the liver function after six months of continuous medication. Teprenone capsule belongs to the gastric mucous membrane protection drug, with the promotion of mucous membrane repair, improve the role of ulcers and gastric mucous membrane lesions, in the clinic is mainly used for the treatment of gastric ulcers, duodenal bulbous ulcers, acute and chronic gastritis and other upper gastrointestinal tract diseases. After patients take teprenone capsule orally, it can be rapidly absorbed through the gastrointestinal tract to achieve the therapeutic purpose. Some patients may experience liver dysfunction and jaundice and other adverse reactions after taking teprenone capsules, which can be checked by a doctor for liver function or in strict accordance with the doctor’s instructions in about half a year’s continuous use of the drug, so as not to aggravate the condition or cause other adverse reactions. Teprenone capsule as a prescription drug, it is recommended that patients strictly follow the doctor’s instructions, for teprenone and other components of the allergy patients should be prohibited from using this drug, and pay attention to monitor the drug reaction, if any abnormality in a timely manner to seek medical attention.