Peking University Institute of Mathematical Sciences is known as "the first institution of higher learning and the first department" in China. The so-called "first university" means that the school code of Peking University is "1000 1", ranking first among all universities in China; The so-called "first department" means that the number of the mathematics department of Peking University is "0 1", ranking first among all majors in the school. Therefore, Peking University Institute of Mathematics is also known as the first of the "four madhouses in Peking University". It is called the "madhouse" because of the heavy schoolwork, difficult exams and crowded cattle.
The admission line of Peking University Mathematics Department is in the first echelon of the admission line of Peking University College Entrance Examination. This department is also the hometown of the best students in high school competitions in China. Looking at China, the students in the Department of Mathematics of Peking University are the best, all gifted students, and the proportion of such students is second to none in the world.