Gao Gao, also known as Zi Gao and nicknamed Shuang Quan, was a commoner in Qiantang during the Qing Dynasty. He gave up his career as a scholar early in life and devoted himself to studying calligraphy. He followed the Zhejiang sect and learned the essence of Ouyang Xun and Chu Suiliang. During the Jiaqing period, Ruan Yuan visited Zhejiang Province, and Yan studied epigraphy, explanatory text, and textual research on "Xue Shi Zhong Ding Shi Ji". He also hand-recorded and published the postscript of Xue's Zhongding knowledge. There are many monuments of famous places in the north and south of the Yangtze River. The painting is exquisite, especially flowers, birds, grass and insects. It adopts the techniques of Song and Yuan Dynasties, and the outline and color are all extremely exquisite. He is able to carve seals and occasionally seal seals, and he is also very talented and methodical. The work is between Chen Yuzhong and Chen Hongshou, with ancient beauty and vigor, and a unique appearance.