Abstract: Technology innovation and business model innovation interact, considering that existing documents emphasize the mechanisms of technology innovation driving business model innovation, this paper focus on the reverse action mechanisms. Through coding 20 home and abroad software enterprise cases by grounded theory approach, this study aims to excavate the internal mechanism and realization ways of business model innovation driving technology innovation. The conclusions show that product/service innovation and market orientation innovation as orientation innovation, industrial chain orientation innovation and network ecosystem constitution as operation innovation, combing profit innovation compose the main component of business model innovation, pulsing the compel of realistic situations and the motivation of ultimate aim, jointly evoke technology innovation.