When the Second Sino-Japanese War occurred in the China, the governor of Yunnan province Long Yun decided to participate in this War. And the Army would be lead by Lu Han. After victory of Taierzhuang Campaign for China, Japanese Army thought they would attack Xuzhou again. And they would to attack a lot of Chinese Army. The next April, in 1938, the 60st Force joined the Second Battle of Xuzhou, and entry into the eastern Taierzhuang. In the beginning, the 60st Force could prevented the most attack from Japanese Army but still could not keep the whole campain. Finally, Lu Han asked the 60st Force went to Yuwang Mountain, in order to make better defense. According to the fail of Chinese Army, the Supreme Military Council of Wuhan decided to retreat from Xuzhou. Although the 60st Force were retreated in the end, they believed they would and did their best to arrived Wuhan. This is first time for the Yunnan military joined Second Sino-Japanese War. Not only because the achievement was good, but also made the central government had good impression.