1. Is there any liver disease in the family? Vertical transmission from the mother is common in hepatitis B. The risk of infection is higher among those who are closely related. Most of the chronic hepatitis patients in a family are infected by close living, not by heredity. 2. Do you drink alcohol? How much can I drink? How often do you drink? How long have you been drinking? To determine the possibility of alcoholic liver disease, while drinking alcohol can aggravate the severity of chronic hepatitis caused by other causes. 3.Have you had blood transfusion? Has there been any surgery? Have there been injections, tattoos, injection method drug use, and ear piercing? What kind of work do you do? Hepatitis B and C are easily transmitted by contaminated blood. High-risk occupations, such as surgeons, dentists, clinical pathology technicians and other occupations that come into direct contact with blood. 4.Have you ever used Chinese medicine, western medicine and other prescriptions? The liver is often damaged by some drugs. Because the liver is the place where various drugs are metabolized, there is a possibility of producing some unexpected hepatotoxic substances in the metabolic process. In particular, people who often drink alcohol are prone to liver damage when taking the antipyretic and analgesic “Tylenol”. Occasionally, patients have been seen for serious liver damage due to hepatotoxic drugs, so it is best for patients with liver disease to avoid exposure to drugs with unknown fatty ingredients.