Abstract
This paper describes the development status of business model and the factors that cause complex environment. Then it analyzes the similarities and differences between online to offline business model(O2O) and traditional e-commerce model, and combs the concept, type, innovation driving force and other contents of the sharing economy business model. According to the concept model of sharing economy business model put forward in this study, the simulation model of sharing economy business model based on value network is established by using system dynamics method, and the system simulation and result analysis are performed by using the actual data to explore the relationship between the main bodies of sharing economy, to find out the key factors affecting the business model of sharing economy. The validity of the system dynamics model is verified by Vensim software finally.