As the name implies, the guarantee for graduate study refers to those who are directly guaranteed to attend graduate school by the school without going through some preliminary procedures such as written examination, and determine the students' academic performance and comprehensive quality through an evaluation form, which is within the allowable range. This part of the undergraduate students in Bao Yan is called "test-free students", and the full name is "recommending excellent fresh graduates to study for master's degree without test". It was in 1985 that colleges and universities began to recommend a few outstanding undergraduate students as master students (referred to as "Bao Yan") without examination. Generally, from the end of September to the end of 10 every year, senior students are screened, and the right to make rules and operate is in the hands of each school. So the situation of insurance research is different from school to school.