Abstract: During the Second Civil Revolutionary War,because of the serious harm caused by Wang Ming's mistaken thinking of "Left" deviation and the cruel "encircling and suppressing",the Red Army met with great losses and the area of all the bases became smaller and smaller.As a result,the Red Army was forced to give up the former bases and started their Long March.Among the various branches of the Red Army,the Twenty-fifth Army that started their march from the E-Yu-Wan Base fulfilled their long march successfully a...