With the development of private economy, labor relations dominated by the administrative control of the gov- ernment departments has stepped into a market adjustment. As a force balanced and equal dialogue mechanism, collec- tive wage negotiation has caused widespread concern of government, industry and academia. Through investigating the private enterprises which had implemented collective wage negotiation in Wuhan, this research finds that substantive col- lective wage negotiation significantly improves organization commitment, union commitment and dual organization commit- ment, and has a s...