Apply for the qualification of doctors in the corresponding category. Postgraduates majoring in clinical medicine, stomatology and public health can only apply for the qualifications of doctors in the corresponding categories. Academic graduate students enrolled in or after 20 16 cannot apply for the exam, and public health is a public undertaking related to people's health in a country or region. Public health specifically includes the prevention, monitoring and treatment of major diseases, especially infectious diseases (such as tuberculosis, AIDS and atypical pneumonia).