The army is commanded by a theater commander, who can command the armed forces. Army commanders have no command. But his task is to manage the construction and training of the five major army divisions in China. It is natural to train the North Sea, East China Sea and South China Sea fleets with naval commanders. Generally speaking, the theater commander is bigger than the army commander. It should be the commander of the war zone and a member of the military commission. And the army commander can't be.