This book constitutes the refereed proceedings of the 4th International Conference on Computational and Corpus-Based Phraseology, Europhras 2022, held in Malaga, Spain, in September 2022. The 16 full papers presented in this book were carefully reviewed and selected from 59 submissions. The papers in this volume cover a number of topics including general corpus-based approaches to phraseology, phraseology in translation and cross-linguistic studies, phraseology in language teaching and learning, phraseology in specialized languages, phraseology in lexicography, cognitive approaches to phraseology, the computational treatment of multiword expressions, and the development, annotation, and exploitation of corpora for phraseological studies.