Abstract: The establishment of a military term system is based on that of a military concept system. A military concept is a reflection of an object of military cognition in the mind of a subject. A military concept system reflects a corresponding military term system. A concept is described by a definition, and is given a conventional reference, while features of a concept refer to any characteristics, attributes and relations which constitute the concept. There exist level relations and non-level relations between concepts, based on which all the concepts in the military field are made up of a harmony military concept system. The establishment of a military concept system requires a series of interactive operations, which reflects the basic process of the establishment.

Key words: military concept, military term, feature, definition