Ban Chao is from Xianyang, Shaanxi. He was a scholar when he was young. Ban Chao's family are great writers. His father Ban Biao was a great scholar in the Eastern Han Dynasty. He has supplemented Sima Qian's historical records and made 65 biographies of later generations. His brother Ban Gu is a famous writer and historian who compiled Han Shu, and his sister Ban Zhao is an outstanding intellectual woman. She finished Ban Gu's unfinished Han Shu. The Ban Chao family was very famous in the Eastern Han Dynasty. Because of low wages, there is often an embarrassing situation of poor food and clothing. Because of his poor family, in order to support his family, Ban Chao went to Luoyang to go to his brother Ban Gu. I was introduced to the government to do some clerical work. At the age of 4 1, the Xiongnu rebelled, and Dahan's capital in the western regions ceased to exist. The prosperous Silk Road declined, which seriously affected the political, economic and social development of the Eastern Han Dynasty.