Qiao Dong finally left the barracks. Based on actual combat training, the play tells the story of a special combat brigade of airborne troops forming a blue army detachment, actively studying strong enemies, sharpening special combat blades, and finally achieving combat effectiveness and successfully completing various tasks.

Under the background of reforming and strengthening the army, taking Zhang Qi, Qi and other airborne special forces as representatives, this paper describes how to form a brand-new, all-factor, systematic full-time blue army in order to cultivate the overall vision, information ability and actual combat level of air force officers and soldiers, and further stimulate the bloody anxiety of studying and defeating the enemy. "After a period of adaptation and running-in, Jarhead began his devil career of fighting in the north and south and challenging the quartet. After a series of combat drills and actions, the soldiers of the "Guogaitou" troops were reassigned to various units, and they became the backbone teachers of the ace troops. A single spark, like a prairie fire, moved forward in the rough, and the soldiers who matured in the tempering began a new task.

The drama extends from the ideal of the soldiers to the value of the army, from the present reality to the prediction of the future, and transforms such a forward-looking and revolutionary thinking mode into a three-dimensional expression of the persistent beliefs of the characters. The ultimate pursuit of quick success and instant benefit when attacking, the unsung hero when sacrificing, and the overall concept of rational thinking when frustrated make the audience get rid of the simple dramatic contradictions and conflicts, jump out of the usual emotional agitation, understand what a soldier is at a deeper level and understand the value of the army at a higher level.