Instructors usually belong to company or battalion cadres in the army, and the specific level may vary according to the country, the size of the army and the specific tasks.

Instructors are a post in the China People's Liberation Army. They are usually responsible for the political education of the troops. In company units, instructors are usually company deputies, who are responsible for assisting the company commander's work and focusing on the political and ideological education and mental health of company members. In a battalion-level unit, the instructor may be an important cadre of the battalion, responsible for coordinating the political education work of the whole battalion.

The duty of instructors is very important, because they are responsible for ensuring that the members of the army are ideologically consistent with the principles and policies of the party and the state. By organizing various kinds of study, training and activities, they have improved the political consciousness of soldiers, strengthened discipline and cultivated team spirit. In a sense, the work of instructors has a vital impact on the combat effectiveness and cohesion of troops.

Generally speaking, the ranks of military instructors may vary due to various factors, but their roles and responsibilities are very important. They are the core force of the army's political and ideological work and play an irreplaceable role in maintaining the stability and combat effectiveness of the army.