It's huge. Zhejiang University is a prestigious school, and doctors are enrolled nationwide. There are many people in this school who want to take the doctor's exam, and it is very competitive. Moreover, the examination paper of mathematics major is difficult, and the overall examination is difficult. Zhejiang University, referred to as "Zhejiang University" for short, is a comprehensive national key university directly under People's Republic of China (PRC) and the Ministry of Education. It ranks among the national "double first-class", "2 1 1 project" and "985 project", and the central government is directly under the deputy ministerial system.