Nouvelle Quatrième armée
With the rapid expansion of the size of the army, a large number of junior officers and newly recruited students need training. Because of the lack of teachers, the Eighth Route Army dispatched hundreds of military instructors to the New Fourth Army twice. From 1940 to 1942, the New Fourth Army had built established six military training schools in the battlefield . These military training schools were collectively referred to as branches of the Anti-Japanese Military and Political University .