It is more difficult. In fact, the requirements of each school are different. Most exams in postgraduate mathematics will involve advanced mathematics, probability theory and linear algebra. The comprehensive investigation will involve all the contents and it is quite difficult. Because some schools have the right to make their own propositions. In other words, you can set the difficulty of the postgraduate entrance examination paper by yourself. If you want to enter a particularly good school, candidates need to focus on the three subjects involved in the postgraduate entrance examination mathematics.