Known as "Mr. Lin Dong", he is from Jingyang, Wuxi, and his uncle's name is Jingyang. Gu Xiancheng was born in the 29th year of Jiajing and died in the 40th year of Wanli at the age of 62. Gu Xiancheng was a famous thinker in Ming Dynasty, and he wrote Gu Duanwen's suicide note and other works. Gu Xiancheng's greatest achievement in his life is to study the "theory of mind and nature" of Wang Mingyang and Lu Jiuyuan. On the other hand, he founded Lindong College. Besides, Gu Xiancheng was a patriot, and he was determined to enter the officialdom through the imperial examination at an early age, contributing his own strength to the Ming court. Later, he studied hard, entered the official career through the imperial examination, and entered the officialdom as he wished. At this time, Wei Zhongxian was in power in the Ming Dynasty, officials colluded and the Ming government was corrupt. Gu Xiancheng devoted himself to national construction, and his proposal was opposed by powerful people. 1594, because of the prince's election, he put forward the opposite opinion to the powerful minister, which caused Ming Shenzong's dissatisfaction and was eventually dismissed. Gu Xiancheng's career was bumpy all his life, but his patriotic beliefs never changed.