Now days the small & middle information technology enterprises become more and more important in the national economic. Under the operational environment of the violent competition and change, it is more difficult that the small & middle information technology enterprises gain the sustainable competitive advantage. We all hope that the small & middle enterprises can gain the sustainable competitive advantage.After summarizing the achievements of research on theory of the corporation, the article advanced that the bases of the small & middle enterprises gaining the sustainable competitive advantage are the scientific system of property right and the governance of contractual relation. Then, the small & middle information technology corporation must improve its core competence according to the continuous changing operational environment. Again, to gain the sustainable advantage, the small & middle enterprise must set up a learning institution to improve the capacity of innovation and team learning. Finally, the article study the XJHC corporation as a demonstration. |