According to medical statistics, the adult hepatitis B infection rate in China is 6.3%, which is characterized by a large disease population base and a high probability of infection. According to the 2018 World Health Organization statistics, the adult hepatitis B infection rate in China is 6.3%, with about 86.6 million people infected with the hepatitis B virus and 28 million chronic hepatitis B patients. Hepatitis B virus is mainly transmitted through blood, body fluids, sexual contact, and vertical transmission from mother to child, and those who are not protected by vaccine are generally susceptible, and hepatitis B vaccine is an effective means of protection. Hepatitis B infection can easily lead to acute and chronic hepatitis B, cirrhosis, and even liver cancer and other diseases, seriously affecting the work, life, and even life-threatening, so it is recommended to actively vaccinate against hepatitis B, regular monitoring of liver function to reduce the chances of infection, and once hepatitis B infection is detected regular monitoring of hepatitis B markers, liver function, liver ultrasound, and other indicators, and active treatment to avoid the disease progression. China is a large country with a large population base infected with hepatitis B. Adults are advised to complete the hepatitis B marker to assess whether hepatitis B surface antibody protection exists, and if not, they need to be vaccinated with the hepatitis B vaccine to strengthen their protection.