1, with high professional knowledge requirements: the doctor of public health is a professional degree, which requires candidates to have professional knowledge and research ability. The examination involves theories, methods, data analysis and other knowledge in the field of public health, and candidates should have in-depth subject understanding and research ability.

2. Fierce competition: Public health is a hot subject area, attracting a large number of candidates to apply. There is fierce competition in applying for doctoral degree in public health in Suzhou University, and the admission ratio is relatively low, which makes the examination more difficult.