Chopping firewood for soldiers and raising flags is about the peasant uprising led by Chen Sheng and Guangwu at the end of Qin Dynasty. In 209 BC, more than 900 poor peasants were recruited to guard the Great Wall in Yuyang. When they arrived in osawa town, they were caught in a series of heavy rains, which washed away the roads and prevented them from arriving on time. According to Qin law, latecomers will be beheaded. Among them, Bobby Chen and Guangwu, the squad leaders, designed to kill the officers who escorted them, and called on everyone to hold an uprising. A peasant uprising broke out at the end of Qin dynasty.