Hepatitis B dna 4 times square liver function is normal, the need for treatment, need to be combined with the patient’s liver ultrasound. Hepatitis B dna 4 times square indicates a moderate viral load. If the examination of liver function continues to be normal, and the liver ultrasound does not show any abnormality. It indicates that the patient is a viral carrier, generally no treatment is needed, but regular review is needed to closely observe the change of the condition. If the patient’s liver ultrasound suggests abnormality, systematic examination is recommended, and antiviral treatment, such as entecavir, tenofovir, etc., is carried out under the guidance of the doctor. For hepatitis B patients, they should pay more attention to rest in daily life and avoid exertion. Eat a high protein diet, such as fresh meat, to help repair liver cells. Regular checkups, abnormalities, early treatment, so as not to delay the condition.