在概述外国文化侵蚀的概念及特点的基础上,探讨数字图书馆建设中外国文化侵蚀的表现及危害;系统分析造成外国文化侵蚀的原因,认为在数字图书馆建设中,有效防范外国文化侵蚀的措施是:依据科学发展观正确处理外国文化侵蚀与本国文化保护问题;建立针对外国文化侵蚀的防范机制;建立完善有效的本国民族文化保护体系等。 On the basis of summarizing the concept and characteristics of foreign cultural erosion, this paper explores the manifestation and harms of the erosion of foreign cultures in the construction of digital libraries. By systematically analyzing the reasons for the erosion of foreign cultures, we think that in the construction of digital libraries, foreign cultural erosion is effectively prevented The measures are: to properly handle the erosion of foreign cultures and the protection of their own culture according to the Scientific Outlook on Development; to set up a preventive mechanism against the erosion of foreign cultures; and to establish a sound and effective national culture protection system for their own nation.