What was the position of military advisers in the ancient army?

Counselors have official positions, but counselors don't. That is, one has an establishment and the other does not.

Military adviser, official name. During the Three Kingdoms period, Sangong and Changshi were junior officials, whose duties were military staff, similar to aides. The fifth product. In the same book, Zhuge Liang is a military adviser, which also refers to "the military adviser is a junior official with a lower rank." All of the above have clarified the nature, function and position of "strategist" as an official in feudal bureaucratic military institutions. It reflects the change of the function of the "military adviser" in later generations, but it does not reveal the original significance of establishing the post of "military adviser". (even different from the reflection of Xun You. In fact, in the process of the formation of feudal countries, especially in the fierce war, when the monarchy needs the strong support of scholars and talents, the status of military advisers is much higher.

Among the three countries, the "wine offering strategist" is a general strategist and has no military power; The "Central Military Division" and the "Military Division Commander" are the chief of staff and have certain military power; The "chief strategist" is the chief of staff, responsible for organizing and leading the military establishment of the whole army and organizing and directing the military operations of the whole army. Among them, Cao Cao invented "drink offering by military advisers" and Liu Bei invented "commanders" and "generals".

Ancient Counselors: A considerable number of scholars who are "excellent at learning" but can't be "officials" often make suggestions for their "masters" and "masters" as "door guests", "strategists" and "aides", and sometimes even pay for their deaths.