Institute of Red Professors
In 1920, Sun ordered Guangdong Army to attack of Old Guangxi Clique. Ye's reputation spread after the Huangpijing battle when his troops defeated an enemy who had 4 times as many troops as his army. In October 1920, Ye took office as deputy battalion commander of the sapper battalion. In 1921, he was transferred to the position of the battalion commander of guards regiment's second battalion of Sun's Marshall House of Land and Naval Forces. In June, 1922, troop of the commander-in-chief of Guangdong army bombarded the Marshall House. Ye was ordered to guard the forecourt of the Marshall House and helped Sun's wife Soong Ching-ling to escape from danger. In 1924, Ye went to study at Communist University of the Toilers of the East in the Soviet Union. During this time, Ye joined the Communist Youth League of China and accepted Marxism. In December 1924, Lvmo branch of Communist Party of China accepted Ye as candidate for Communist Party member of China introducing by Wang Ruofei and . In February of 1925, Ye transferred to the Chinese class of the Institute of Red Professors to learn military knowledge.