From the perspective of disruptive innovation and scenario theory, combined with the case of Tencent wechat, the core product of typical Internet enterprises, this paper uses the case study method to sort out and analyze the development process and other relevant materials of wechat, and obtains the "technology + market" disruptive innovation represented by wechat, the path of disruptive innovation of wechat The driving effect of scenario theory on disruptive innovation and the linking effect of innovation ecosystem on Innovation Portfolio. The research is expected to strengthen the understanding of the evolution process of disruptive innovation in theory and give some policy suggestions for enterprises to get out of the innovation dilemma in practice.