At the beginning of 1942, the Chinese expeditionary force entered Myanmar for the first time to fight against Japan with the allied forces. In April, Sun Liren led the new 38th Division into Myanmar. /kloc-in the early morning of April 7, the Japanese army cut off the yenangyaung highway from the north and south, ambushed on three sides, and surrounded more than 7,000 British troops retreating from yenangyaung. On the evening of April 17, Sun Liren led the New 38th Division 1 13 regiment to the north bank of the river, where they fought fiercely with the Japanese not far from the ferry. After 10 hours of fierce fighting, the Japanese army north of Binhe was annihilated at noon on April 18, and the ferry was occupied. 19 in the morning, 1 13 regiment launched a fierce attack on the Japanese army south of the riverside under the cover of mountain guns, heavy mortars and heavy machine guns. When the besieged British army saw the arrival of reinforcements, it also broke through, and the Japanese army was caught in two sides of the sea of fire, and the whole army was wiped out. On the afternoon of April 20th, Sun Liren led his troops to recover yenangyaung and rescue more than 7,000 besieged British troops.