1936年2月下旬,鉴于敌军力量增多,红军在黔大毕继续活动形势不利,红二、红六军团决定放弃毕节县城,撤离黔西北,进行转移。2月27日,红军进入乌蒙山区,由于国民党中央军和地方反动武装围追堵截,红二、红六军团决定在乌蒙山区与敌军展开回旋战。从3月2日至29日,乌蒙山回旋战历时近一个月,红军采取声东击西的战术,在运动战中调动敌人、疲惫敌人,打击敌人,摆脱了强敌的围攻。乌蒙山回旋战是红二、红六军团长征中的一次成功战例。1936年11月,毛泽东在陕西保安会见红二、红四方面 In late February 1936, in view of the increase of enemy forces, the Red Army continued its activities in Guizhou University. The red two and the Red Six Corps decided to abandon Bijie County and evacuate northwest Guizhou for transfer. On February 27, the Red Army entered the Wumeng Mountain area. As the Central Military Forces of the Kuomintang and local reactionary armed forces intercepted and intercepted, the Red Army and Red Army Six Corps decided to start a maneuver with the enemy in the Wumeng Mountain Area. From March 2 to 29, the Wumeng Mountain round of maneuver lasted nearly a month. The Red Army adopted a tactic of striking eastward and westward. It mobilized its enemies in the campaign war, wearyed the enemy, cracked down on the enemy and escaped the besiege of powerful enemies. Wumengshan roundabout is a red two, the Red Army Corps in the Long March in a successful battle. In November 1936, Mao Zedong met with the security guards in Shaanxi Province in the second and third areas