| Highbrow Eunuch is the major of one track of "politics of dual track", also is the creator and the successor of the Ming court culture. This paper investigated the formation process of Highbrow Eunuch in Ming dynasty and their sources of knowledge and life path,it is also about the political impact and cultural influence caused by Highbrow Eunuch. The knowledge of Ming Dynasty Highbrow Eunuch mostly come from the Palace school which is called"Inside Books don", in addition, eunuchs, etc. can also improve their knowledge through self-attainment. After in their learning , Highbrow Eunuch can through the "right track" or personal gain gradual access to the chambers of political power, and in this period ,collusion in the palace has been taken place, and Highbrow Eunuch often influence Grand Secretary election. Highbrow Eunuch is the subject of the Ming dynasty court culture's spreading. Through continuous absorption of folk culture, they develop the Ming dynasty court culture for emperors and palace bigwigs. And their character is taken away by palace environment and literary intelligentsia's mainstream discourse. |