1. Competition: Hohai University is a comprehensive university with a high reputation in China, attracting many excellent candidates to compete. Due to the limited number of graduate students, the competition has become extremely fierce and the difficulty has increased accordingly. Jiangnan University is one of the top universities in China and enjoys a high reputation. Because of its strong discipline, it has research advantages in engineering, material science, food science and other fields.

2. Academic advantages: Hohai University has strong academic strength and research advantages in the fields of water conservancy engineering, ocean engineering, environmental science and engineering. Candidates are required to have solid professional knowledge and research ability, and it is relatively difficult to take the postgraduate entrance examination. Jiangnan University has rich research resources and experimental conditions in related fields, which provides candidates with a better learning and research environment.