Hepatitis B two half 145 positive, is hepatitis B surface antigen, hepatitis B e antibody, hepatitis B core antibody positive, suggesting that hepatitis B “small triple Yang”, need to combine with other tests to determine the severity of the disease, decide the treatment plan. The direct cause of 145-positive hepatitis B is infection with the hepatitis B virus, which can be transmitted by hepatitis B patients and asymptomatic chronic hepatitis B carriers, and infects others through blood, sexual contact and daily close contact. Hepatitis B two halves 145 positive means hepatitis B “small triple Yang”, need to further improve the liver function test, hepatitis B virus DNA quantitative test, abdominal ultrasound and other tests, in order to determine the severity of the disease, to decide on the treatment plan. Due to different testing methods in different hospitals, different testing reagents used or different laboratories, a few results of Hepatitis B 2:145 tests may be inaccurate and falsely high. Generally, inaccurate test results can be avoided by repeated retesting.