This paper introduces the conceptions and modes of the VRS,points out that the VRS is facing thedifficulties ofseveral aspects,and puts forward some measures for improvingthe qualityofthe VRS.

• 介绍了虚拟参考服务的概念及模式,指出了图书馆虚拟参考服务所面临的几方面困境,提出了提高图书馆虚拟参考服务质量的几点措施。