You can't. According to Hanban official website, no matter volunteers or public teachers, there are hepatitis B carriers who can't apply for Hanban projects. I will have a physical examination during training, and I will be dismissed after the physical examination. Hepatitis B generally refers to chronic hepatitis B, and chronic hepatitis B refers to people who are positive for chronic hepatitis B virus, have a course of more than half a year or have an unknown onset date, and are clinically manifested as chronic hepatitis.