Lu Junyi, nicknamed "Jade Kirin", is one of the classic characters in China's famous classical novel "The Water Margin". He has strong martial arts and is a big talker. People in the Jianghu call him "Three Musts in Hebei", and his ancestral home is Daming House in Beijing (now daming county, Handan City, Hebei Province) and his servant Yan Qing. It turned out that he was a rich businessman, a rich man and a member of the army in Daming Prefecture, Hebei Province. Song Jiang was entrusted to Liangshan because of his love for talent, and later became the second leader of Liangshan. After Lu Junyi and Song Jiang embraced, they successively conquered Liao, Wang Qing, Fang La, the official martial arts doctor and Luzhou Peace Messenger. Treacherous court official Cai Jing summoned Lu Junyi back to Beijing and put mercury in the food given to him by the emperor. Lu Junyi was too painful to ride a horse, so he had to take a boat back to Luzhou, vomited blood on the boat and drowned.