On September 18, 1941, the Japanese army was forced to retreat, and on September 18, 1941 (July 27, 1941) the Second Long Sands Battle was officially launched, due to the misjudgment of the ninth battlefield against the enemy, the Chinese army was not fully prepared, and in two days the Japanese army had completely broken the new wall defense line and advanced to the ninth battlefield to the ninth battlefield. The ninth battlefield was rapidly deployed to defend the southern shore of the new wall, and the second Long Sands Battle was officially launched, served from the southeast to the ninth ninth battlefield to attack the Japanese army. Since the actual fighting strength of the two sides was not matched, the battlefield was very fierce.