This study conducts follow-up investigations on self-enrolled students from the perspective of post-quality tracking. Through the self-assessment of 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., analyze and compare the differences between the two types of students after entering the school. And on this basis, analyze the reasons behind the conclusions. To test the independent enrollment effect of CQ University. The research shows that the scores of the independent students" ability and quality and the various ability and quality items are significantly higher than the ordinary college entrance examination students; Self-enrollment learning scores are slightly higher than those of ordinary college entrance examination students; The comprehensive quality performance of self-enrollment (comprehensive scholarship, evaluation of the May Fourth Movement, and competition for excellence) is significantly higher than that of ordinary college entrance examination students; Since 2015, the ability of self-enrolled students to create science and technology (the project of science and technology projects) has been significantly higher than that of ordinary college entrance examination students.