In the third year of Jiaqing (1798), Lin Zexu entered the Aofeng Academy. In the 9th year of Jiaqing (1804), he served as secretary of tongzhi of coastal defense in Xiamen, and later joined the Zhang Shicheng shogunate, the governor of Fujian. In the 16th year of Jiaqing (18 1 1), Jishi Shu, a scholar, was selected for editing. He has served as deputy examiner in Jiangxi Province and examiner in Yunnan Province. In the twenty-fifth year of Jiaqing (1820), he was appointed as the supervisor of Jiangnan Road, transferred to Hangjiahu Road in Zhejiang Province, repaired seawalls, built water conservancy and developed agriculture, which was quite political. A patriotic politician who advocated banning opium and resisting aggression during the Opium War. Historians call him "the first person who opened his eyes to see the world" in modern China.