Longyue has studied and practiced in a broad field of Natural Language Processing and Computational Linguistics such as word segmentation, named entity, discourse parsing and grammatical error correction. His research interests are Machine Translation, Large Language Model, Discourse Modelling and Deep Learning. He has published 40 papers in leading NLP journals and conferences such as AIJ, ICLR, ACL. He has applied for 50 U.S., HK, Japan and China patents.