Hepatitis B carriers do not necessarily get liver cancer, but they are a high risk group for liver cancer, especially those with a high viral load. When the viral load of hepatitis B is relatively high and there is an indication for antiviral therapy, early antiviral therapy should be administered as much as possible. The goal of antiviral therapy is to minimize the virus, reduce the occurrence of cirrhosis and liver cancer, improve the quality of life, and extend life expectancy. People with hepatitis B virus should have regular checkups, including the five hepatitis B tests, HBV-DNA of hepatitis B virus, methemoglobin, and liver function tests. In addition, there are liver ultrasound and liver elastography, especially liver ultrasound and alpha-fetoprotein, which can detect patients with liver cancer at an early stage. Patients with liver cancer have a better prognosis with early detection and early treatment.