Relive the hardships of the Red Army's Long March Road, Songpan Grand Grassland is a must to punch in. The strategic situation of the year was that Hu Zongnan's Kuomintang more than 200 regiments of various forces, surrounded and blocked, from all directions to the plateau, the number of people only more than 6,000 Red Army, forming an iron wall siege. On the east side is the Lijiang River, and there are 130 regiments of Dai Yue, ready to cross the Lijiang River to the west; South is the snowy mountains, and Liu Xiang's 50 regiments are building a base to the north; the north is the grass, and there are 27 regiments in Hu Zongnan, which are clinging to the Songpan Passage, and the west is Liu Wenhui's 15 regiments, which are snatching the Dadu River. The Red Army is at a very passive disadvantage.