Baidu Library shows that Ban Gu and Ban Chao are brothers, and their father is Ban Biao, a famous historian in the early Eastern Han Dynasty, and their sister is Ban Zhao, a famous historian and writer in the Eastern Han Dynasty. Ban Gu was a famous historian and writer in the Eastern Han Dynasty. Han Shu compiled by him is the first biographical dynastic history in China, and it is also one of the "Twenty-four History". He also wrote poems such as "Two Jing Fu" and "Ode to History", which created a precedent for Kyoto Fu and literati five-character poems. He also wrote White Tiger Yi Tong, which was a classic work at that time. Ban Chao was a famous strategist and diplomat in the Eastern Han Dynasty. He joined the army, followed Dou Xian's Northern Expedition to Xiongnu, climbed Yanran Mountain to carve stone and wrote an inscription for Ban Gu. He also sent missions to the Western Regions, put down the rebellion, set up the Western Regions' capital protection office, and made thirty-six Western Regions submit to the Han Dynasty. Gan Ying was also sent to Daqin (Roman Empire) to open up the Silk Road. Ban Gu and Ban Chao are both outstanding figures in the history of China, and their deeds and works are admired and praised by future generations.