Ursodeoxycholic acid is the trade name of Ursodeoxycholic acid capsule, one capsule contains 250mg of Ursodeoxycholic acid, the drug can promote the excretion of bile, relieve the stimulation of bile on liver cells, delay liver fibrosis, commonly used in the treatment of biliary cirrhosis and so on. Used in the treatment of biliary cirrhosis usually at a daily dose of 10mg/kg by body weight, which means that if the body weight is 60kg, take 2 capsules a day, usually one in the morning and one in the evening. If your body weight is 80 kg, take 3 capsules a day, one in the morning, one in the evening. If you weigh 100 kg, take 4 capsules a day, one in the morning and at noon, and two in the evening. Adverse reactions such as diarrhea and allergy may occur with the use of this drug. It is contraindicated in patients who are allergic to the drug, acute cholecystitis, biliary obstruction. Pregnant as well as lactating women should use it with caution under the supervision of a doctor. Biliary cirrhosis, if you need to use the drug, you should take the appropriate dose under the guidance of a doctor, so as to avoid improper use of the drug to affect the therapeutic effect, or the occurrence of adverse reactions.