This study conducts follow-up investigations on independent enrollment students from the perspective of later stage quality tracking. Through student questionnaires, combined with a large number of objective data statistics, from the aspects of competence and quality, academic achievement, scholarships, participation in scientific research, etc., the study analyzes and compares the differences between the two types of students after they enter school, and analyzes the reasons behind the conclusions, to test the independent enrollment effect of CQ University, answer the queries of the society about independent enrollment and enrich the research achievement of related fields. The research shows that the scores of independent enrollment students' ability and quality and the various ability and quality items are significantly higher than ordinary college entrance examination students; learning scores of the former are slightly higher; comprehensive quality performance of the former (comprehensive scholarship, May Fourth evaluation, and competition for excellence) is significantly higher; since 2015, scientific and technological innovation ability (approval of scientific and technological projects) of the former has been significantly higher.