It is not possible to determine whether Hepatitis B Virus 3.74E+5 requires treatment; it should be combined with the appropriate tests; no treatment is needed if there is no liver impairment, and treatment is needed if there is liver impairment or if the person is older. Hepatitis B virus 3.74E+5 indicates the presence of hepatitis B virus infection in the body at this time, which is a moderate amount of replication. However, treatment is not necessary just because you have the hepatitis B virus. The main purpose of antiviral treatment is to prevent the hepatitis B virus from damaging the liver. If the hepatitis B carrier has a strong immune tolerance and the virus is not causing liver damage in the body, treatment is not necessary. If the treatment may disrupt the immune balance, thus causing some damage to the liver when the virus is removed. If liver damage is detected by imaging tests or liver function measurements, treatment is needed and may include interferon, lamivudine, adefovir, and entecavir, as directed by a doctor. Treatment is also needed to prevent liver lesions if the patient is older. Medications should be used under the guidance of a medical professional and should not be used at random.