The business model of enterprise will be changed In the different stages of growth, which reflects the dynamic characteristic of business model innovation. According to the situation that most researches on business model innovation are based on static perspective, the analysis of business model innovation route and inner elements adjustment in this paper is based on dynamic perspective, and the dynamic business model dynamic innovation route logic framework is put forward. At the same time, Suntar membrane technology co., LTD is taken as the case. Based on logic framework, the business model dynamic innovation route of Sunsar is described, and the business model revolution process is sketched around the transformation time and transformation degree. Meanwhile, the inner consistency during the process of business model innovation is analyzed.