The full name of Bao Yan is graduate students' exemption from examination. Generally speaking, all universities have similar conditions for guaranteeing research. First, we must rank the comprehensive scores-obtain the qualification for guaranteeing research-inspect the enrollment units-and guarantee the success of research. Comprehensive score ranking is one of the most important links. Usually, first, the school scores should be within the top 30%, and the proportion varies from school to school. In short, we must first determine the people who can apply for insurance research. Then rank the scores comprehensively.