The article is devoted to Belarusian literature about World War I. It is a thematic field which nowadays requires a detailed research. It is emphasized that since the turn of the 20th century a unity of fictional texts valuable for the national tradition of 1914–1918 literary depiction has been formed. M. Haretsky’s works play a special part in Belarusian literature. In the middle of the 1910s the author one of the first in the national prose writing started the development of the war theme. It is pointed out that World War I sometimes was depicted as a portent of revolutionary events and civil struggle (books by M. Zaretsky, Ya. Kolas, K. Krapiva, M. Lynkou). In the 1920–1930-ies Belarusian literature about the First World War worked in three fields: events at the front, in the rear, depiction of a refugee life. In the second part of the 20th century the theme was developed by V. Adamchуk, U. Hnilamodau, H. Dalidovich, V. Karamazau, I. Schamyakin.