A good scholar can become an official, while a good official can become a scholar. This is a fundamental principle of Confucianism; therefore, it's said that these two phenomena are as necessary as the two wheels of a cart. However, we usually see only how good scholars become officials rather than the other way around and just, by habits, consider the institutes of official education and the academies to be the training schools for scholars to become officials. In this paper, we disclose such rarely seen historical documents, taking three academies as examples, to describe how officials tried to become scholars in the Ming Dynasty and pinpoint that those academies founded specifically to train officials intellectually were something revolutionary of the Ming Dynasty.