Since the establishment full-time trade union social workers team in Beijing，it has played an important role in advocating for and serving the masses of employees. Under the new circumstance of promoting the reform of governance system at the grass-roots in the capital，the Trade Union social workers face the risk of being laid off in the process of employment optimization and integration. At the same time，there are problems such as the low professional qualification，the lack of space for vocational development and the imperfect system of management. In the face of the new situation and new tasks，This report studies the reform and innovation of trade unions at all levels in the face of new situations and new tasks. It is necessary to widely mobilize social forces to participate in employee services through the purchase of professional social work agency services, the development of trade union activists, and employee volunteers.