2. Zhu Yuanzhang was poor when he was a child and used to herd cattle for the landlord. In the fourth year of Zheng Zheng (1344), he entered Huang Jue Temple and traveled around, which increased his knowledge. At the age of 25, he joined the Red Scarf Army led by Guo Zixing and rebelled against the Yuan Dynasty. In the 16th year of Zheng Zhi (1356), Qing Ji Road was captured and renamed Yingtian. Later, Chen Youliang, Zhang Shicheng and other separatist forces were eliminated, claiming to be the king of Wu. In the first year of Wu (1367), with the call of "expelling and restoring China", Xu Da and Chang Yuchun sent troops to the Northern Expedition to overthrow the rule of the Yuan Dynasty. In the first month of the first year of Hongwu (1368), the emperor was located in Yingtianfu, with the name Daming and the year Hongwu. In the autumn of the same year, most of them were captured, ending the rule of the Yuan Dynasty in the whole country. Later, the southwest, northwest and Liaodong were pacified, and finally the whole country was unified.