Abstract: In correspondence with the historical process of emergence, development, gradual centralized intensification and rapid decline after reaching the highest point of the imperial power of the Qing Dynasty, the power of its crown prince has gone through from undetermined crown so no power of the crown prince, to a gradual progress of conferment of the crown prince, establishing his open power, then to diminishing and depriving the power, till confidential decision on the crown prince and the recessive power bestowed him, finally back to undetermined crown prince and no power. This complicated changes let the power of the crown prince of the Qing Dynasty has the distinctive feature which differentiate itself from that in other dynasties.