The difficulty of applying for the MBA program in Xiamen University has jumped from the second-class colleges in previous years to the 1.5 colleges, and the students' backgrounds are very high. However, it can be seen from the 202 1 student portrait published by the MBA of Xiamen University that the proportion of non-management and non-senior professionals is only 16%, which means that 8.5% of the students are management, and nearly half of them are middle and senior managers.