Abstract: The symbol of cultural prosperity in Tang dynasty is that poetry creating and singing reached a historical peak, and the maturity and prosperity of Tang poetry has an important relation with its music. Song poetry was an important form of Tang poetry, the development of Song poetry was closely associated with Jiaofang of Tang dynasty, and as a quasi entertainment executive, Tang Jiaofang played an indispensable role in Tang poetry creation and dissemination. Pleasure Peak:a Test of Jiaofang in Tang Dynasty by Wang Li made an interpretation of this from the system and made a series of breakthrough in the aspect of methodology.