Normal value of hepatitis C laboratory test, hepatitis C antibody should be negative, and the normal value of hepatitis C virus RNA is 0~1000IU/ml. Hepatitis C is mainly caused by hepatitis C virus infection, and is easily transformed into chronic hepatitis C, cirrhosis or even liver cancer. Clinical diagnosis is mainly based on two indicators, hepatitis C antibody and hepatitis C virus RNA. Hepatitis C antibody, hepatitis C antibody is an immune response caused by hepatitis C invading the human body, clinically negative hepatitis C antibody is normal, positive hepatitis C antibody suggests that the patient has been infected with hepatitis C, so it is necessary to combine with the quantitative detection of hepatitis C virus RNA. Hepatitis C virus RNA, hepatitis C virus RNA is a quantitative test in the clinic, according to the perfect hepatitis C virus RNA test to determine the existence of hepatitis C. Hepatitis C antibody positive, hepatitis C virus RNA test positive suggests that the patient now exists in the hepatitis C virus infection, and need to follow the doctor’s instructions early application of antiviral medication to carry on the treatment. For the diagnosis of hepatitis C, early detection of hepatitis C in the department of infection of regular hospitals, and reasonable antiviral treatment in accordance with the doctor’s prescription, usually within three months can be cured.