Abstract: This paper draws upon the archaeological data gathered from the site of East Palace, taking into account with historical documents pertaining to Wudang Mountain, and incorporates insights from other cases of official buildings of the Ming. It aims to identify, analyze, and scrutinize the site information of the main hall in the East Palace, so as to deduce its plan layout, architectural modulus, and structural features, thereby reconstructing its original historical visage, in the hope that this study will facilitate the exhibition and utilization of the East Palace within the Yuzhen Palace.