Abstract:Since the third plenary session of the 18th central committee of CPC, the employee stock ownership system has a new development in the mixed ownership enterprises. And how to play a role in employee stock ownership participation becomes a new problem for trade unions. Although there are many problems involved in ESOP, the ESOP relates to the vital interests of the employees. Therefore, trade unions should take active and prudent attitude, pay attention to the development of ESOP, take effective measures to safeguard the legitimate rights and interests of the employee ownership, and promote the ESOP playing a positive role in democratic management in company