Hepatitis B dna 2.00e01 represents the hepatitis B virus DNA test result is 2 x 10 to the 1st power, which means that the viral load is low, basically non-infectious, and if the liver function is normal, it is not serious. Otherwise it will be more serious. Hepatitis B virus quantitative results of the normal value is 1000cps/ml, less than 1000cps/ml means that the body of hepatitis B virus is negative, less infectious. If the result of hepatitis B virus quantification is greater than 1000cps/ml, it means that the number of viruses in the body is higher and the infectiousness is stronger. However, the severity of the condition is related to whether the liver function is impaired or not, if the liver function is impaired, the condition is more serious. When the test result is hepatitis B dna 2.00e01, it is recommended to consult a doctor in time for liver function tests.