Military fiction genre are made up of stories involving war or battle. They contain a lot of action and often take place in a field of armed combat. The characters in the military genre are either making preparations for war, dealing with war close to their home front (domestic setting), or are recovering from war. Most stories are set in a period from the past, crossing them with the historical genre.

Military genre can also be about a character that is a solider, who might be joining a military force and/or fighting for a cause.