This book constitutes the refereed proceedings of the  International Conference on Computational and Corpus-Based Phraseology, Europhras 2017, held in London, UK, in November 2017.  The 31 full papers presented were carefully reviewed and selected from numerous submissions and are organized into the following thematic sessions: Phraseology in translation and contrastive studies, Lexicography and terminography, Exploitation of corpora in phraseological studies, Development of corpora for phraseological studies, Phraseology and language learning, Cognitive and cultural aspects of phraseology, Theoretical and descriptive approaches to phraseology, and Computational approaches to phraseology.The chapter 'Frequency Consolidation Among Word N-Grams' is available open access under a CC BY 4.0 license.