As employees’ organizations，trade unions are important social organizations，which represent the interests and protect the legal rights of employees. With the reform of enterprise property right system of market economy，increasing labor-management conflicts，employee groups interest differentiation. How trade unions play the function of servicing employee needs，safeguarding employees’ rights and interests？What expectations did employees place for trade union？What are the urgent needs of employees？Can unions meet the needs of employees？Based on the relevant investigation of employees and their organizations in Beijing，the article attempts to analyze the data，after that we hope to provide some related inspiration about reforms.