本文对于欧盟谷歌反垄断案进行梗概介绍。此案例从2010年11月开始持续至今,在该案中欧盟委员会指控谷歌在网络搜索市场与网络在线广告市场滥用了市场支配地位。本文主要目的在于阐释该案的性质与规范依据。它着重考察网络相关市场的界定问题、滥用市场支配地位行为的确认问题与网络环境下必要设施原则的施行问题。文末提出了加强网络环境下中国反垄断法执行力度的诸种建议。 This article summarizes the antitrust case of the EU Google. The case continues from November 2010 to the present, in which case the European Commission accused Google of abusing market dominance in the online search market and online online advertising market. The main purpose of this article is to explain the nature and normative basis of the case. It focuses on the definition of the network-related market, the confirmation of abuse of market dominance and the implementation of the principle of necessary facilities under the network environment. At the end of the article, various proposals for strengthening the enforcement of China’s antitrust law under the network environment are put forward.