· Chen Xuanyuan: Heir to Xuanyuan Shanrentang. He is proficient in Xuanyuan massage and tendon management and Liujin style calligraphy. He is familiar with the "Huangdi Neijing", "Tao De Jing" and "Yi Jing". A "Gang Jing" with modern thinking, open-minded and humorous personality.
· Emperor Qianlong: Talented and arrogant, he was full of curiosity about novel things. He often fell into the contradiction between "knowledge anxiety" and "physical and mental comfort" in front of Chen Xuanyuan.
· Su Qinglian: A talented girl from the south of the Yangtze River, intelligent and well-read, she initially dismissed Chen Xuanyuan's "fallacious theories", but was gradually impressed by his talent and wisdom...
