If the blood count is high, the first thing to look at is which value is high, whether it is elevated white blood cells, elevated red blood cells, elevated platelets or elevated lymphocytes. If leukocytes and neutrophils are significantly elevated, it is most likely caused by an infection and is considered to be a bacterial infection. If the lymphocytes are elevated, it is considered to be a viral infection. There are many kinds of blood cells in the routine, so it is necessary to specify which one is elevated. There are also some eosinophils and basophils, and their elevation also represents different infections, which are relatively common test manifestations. Therefore, looking at the blood test whether there is hepatitis B or not, it is necessary to discriminate according to the classification and the value of the specific blood cells. For patients with hepatitis B, the blood test should also be analyzed on a case-by-case basis if there are abnormalities.