The 2nd Halliday-Hasan International Forum on Language ("The H-H Forum" hereafter), supported by The Halliday-Hasan International Fund for the Study of Language and Other Systems of Meaning ("The H-H Fund" hereafter), will be held on 1-3 December 2017 at Guangdong University of Foreign Studies (GDUFS), Guangzhou, China. The theme of the Forum is "The Registerial Perspectives on Disciplinary English Studies".