This paper expounds the connotation of the collaborative digital reference services, introduces the present situation of the collaborative digital reference services in foreign libraries, and probes into the mode selection and implementing paths of the collaborative digital reference service. 概述了数字参考咨询协作服务的含义,介绍了国外图书馆合作数字参考咨询的发展现状,探讨了协作数字参考咨询服务模式的选择和实现途径。