Based on the reality of lacking of the original cultivation of emerging industries, the concept of the original cultivation capability of emerging industries is put forward, and a theoretical model contained many factors is constructed, including resources and services of emerging industries, the hidden need, the original cultivation capability of emerging industries, original technology, lead market and the formation of original emerging industry, etc. And the mechanism and the path of the cultivation of original emerging industries through the original cultivation capability of emerging industries are analyzed. Using PLS-based structure equation model, an empirical analysis based on the questionnaires of 295 enterprises in the relevant areas of emerging industries in our country is conducted. The results suggest that the original cultivation capability of emerging industries can directly support the realization of original technology breakthroughs, the development of lead market, and eventually indirectly affect the formation of emerging industries; the cultivation of the original cultivation capability of emerging industries relies on the obtaining of the hidden need , resources and services in emerging industries; the original technology breakthrough and the lead market have significant positive correlation of the formation of original emerging industries ,and the lead market has stronger impact than the original technology breakthrough. In addition, in the process of the cultivation of original emerging industries, the impact mechanism of environmental factors, such as the negative adjustment effect of environmental uncertainty, and the positive adjustment effect of innovation environment, is empirically tested.