Abstract: To support the theoretical framework of the sharing economic business model, this paper illustrates the core factors and concepts of traditional business model with comprehensive literature review perspective. In order to investigate interior logic of sharing economy in Chinese context and the combinative effectiveness among essential factors of sharing economy, 10 essential factors are selected as independent variables to carry out qualitative comparative analysis of 15 representative enterprises in 9 industries. Research finds essential factors of traditional business model theoretically fits new business model under sharing economy, compared with the traditional business model, enterprises are required less complexity of core factors in business model under the sharing economy, and business model under sharing economy offers enterprises more easy developmental circumstances. However, the question is the conditions under which the suppliers rely on sharing economy platform to ensure supply chain stability,while the key issue of development of sharing economy is whether to establish effective correspondence between platform and suppliers, which is also the crucial concern of sharing economy continuality.

Key words: sharing economy, business model, combinative effectiveness among essential factors, QCA