遵义会议后,中央红军离开遵义地区北上,拟进入川南,在宜宾和沪州之间地域渡过长江,与红四方面军会合,建立川西北革命根据地。这时,川军积极在长江沿岸布防,派重兵开赴川黔边境。1935年1月28日,红军在习水之土城与川军激战,未能得手,被迫向西撤退,放弃了渡江计划。其间,薛岳率领的中央军及川、滇、湘、黔等省地方军云集赤水流域追剿、防堵,妄图一 After the meeting of Zunyi, the Central Red Army left the Zunyi area northward and planned to enter the south of Sichuan. It crossed the Yangtze River between Yibin and Huzhou and joined with the Red Fourth Army to establish a revolutionary base in the northwestern Sichuan. At this time, the Sichuan army actively deployed its troops along the Yangtze River and sent heavy troops to the Sichuan-Guizhou border. On January 28, 1935, the Red Army fought a fierce battle with the Sichuan Army in Tucheng, studying for water and was forced to retreat westward and gave up its plan to cross the river. In the meantime, Xue Yue, led by the Central Army and Sichuan, Yunnan, Hunan, Guizhou and other provinces gathered in the Chishui catchment to prevent local aggression, attempting a