This article brings out the improved thought of college admission system reform based on parallel will College Admission Mode of Multiple Choices Based on Internet, CAMMCBI. We use the absorbing Markov analysis method to establish the student scores and college level sequence model of absorbing Markov chain, analysis CAMMC BI admission mechanism problem from the angle of dynamic. Reform of College Admission System is the key of Reform in college Entrance Examination. The standards of adjusting the reasonableness of admission system: The fairness of admission way. The examinee satisfaction and Information transparency between the examinees and the colleges. College entrance system is improved because of entrance examination reform at the same time.