Venerable Master Hsing Yun does not expressly focus on prajñā theory in his Dharma propagation, yet it has exerted a key influence on his idea of Humanistic Buddhism. Venerable Master's prājna theory belongs to the adherents of Humanistic Buddhism, in which "prajñā" is the fundamental quality for the practice of wisdom in Humanistic Buddhism. This paper recapitulates the basis of Venerable Master Hsing Yun's prajñā theory in six aspects.