Lieutenant Colonel is the establishment rank of officers in the regiment (brigade), deputy regiment, battalion and senior, intermediate and junior professional and technical positions.

The relevant profile of Lieutenant Colonel is as follows:

Lieutenant colonel, the first rank of a school official. The middle rank of school officials in most countries. The word "lieutenant colonel" comes from the Latin word combination of "big", "higher position" and "older". /kloc-in the 0/7th century, "Lieutenant Colonel" was the title of deputy colonel in the Russian army, and later it gradually evolved into the rank of deputy colonel. In western European countries, Lieutenant Colonel is the first assistant of the team commander Colonel.

1722, Russian Peter I's Official Rank Table fixed Lieutenant Colonel as the second rank of school official. 1935 The Soviet Union implemented the military rank system, and the school officials only had colonels and majors. 1939 added a lieutenant colonel. In the rank system of contemporary countries in the world, there is a rank of lieutenant colonel, which is generally the rank of deputy head and battalion commander.

The rank system implemented after the founding of the People's Republic of China has the rank of Lieutenant Colonel. 1955 stipulates that lieutenant colonel is mainly awarded to cadres at the regimental level, and is the establishment rank of deputy division commander, head and deputy head.

1The Decision on Amending the Regulations of China People's Liberation Army Officers' Ranks stipulates that Lieutenant Colonel is the establishment rank of officers in the regiment (deputy brigade), deputy regiment, battalion and senior, intermediate and junior professional and technical positions.