Voluntary works engaged in voluntary services under the guidance of social workers, which not only enhance their own ability but also strengthen their understanding for social workers and become "reservoir" and reserve force in professional social works. 义务工作者在社会工作者的带领下从事志愿服务,从中不仅获得了自身能力的提高,而且会加强对社会工作者的认识和理解,成为职业社会工作人才的蓄水池和后备军。