Introduction to Li Wei, the founder of fireworks: Li Wei, the founder of fireworks, was famous throughout the country for using firecrackers to drive away ghosts in the palace. After he returned to his hometown of Liuyang River, he went to Sun Yinshan to live in seclusion because of an explosion that injured an official in Changsha Futai, and told the incident to Sun Simiao, whom he met by chance. Sun Zhenzhen's suggestion was used to invent paper firecrackers, which have become popular among the people since then.