焦点团体作为一种定性资料搜集方法,被广泛用于图书馆学研究的各个方面,尤其是数字图书馆的评价工作中。文章选取了几个使用焦点团体的数字图书馆评价的典型案例,对其在地域分布、评价目标、团队成员、设计类型、应用范围和使用阶段等若干方面进行比较分析。最后结合研究案例及实际工作,提出数字图书馆评价在使用焦点团体时应注意的问题。 As a method of qualitative data collection, focus groups are widely used in all aspects of library science research, especially in the evaluation of digital libraries. This paper selects several typical cases of digital library evaluation using focus groups and compares them in several aspects such as geographical distribution, evaluation objectives, team members, design types, application scope and the use of the stage. Finally, combining the case studies and practical work, this paper puts forward the problems that digital libraries should pay attention to when using the focus groups.