Hepatitis B DNA 5*10 quadratic, indicating infection with the hepatitis B virus, the viral load of moderate level or below. If there is no physical discomfort and abnormal liver function, antiviral treatment is generally not needed, and it is recommended to seek medical attention and follow the doctor’s instructions. Hepatitis B DNA 5*10 quadratic, indicating that the patient may be hepatitis B virus carriers or hepatitis B patients, infectious. If there is no physical discomfort and abnormal liver function, antiviral treatment is usually not needed. The higher the quantitative value of hepatitis B virus in the blood, the more infectious it is and the more active the virus replication is. On the contrary, the lower it is. When liver function is abnormally elevated in transaminases, active antiviral treatment with entecavir and interferon is usually needed. Hepatitis B patients should always be instructed by their doctors to use medication after completing all tests.