First, in music. Ji Kang is proficient in melody, especially in playing the piano, and has written music theory works "Fu Qin" and "On Sound without Sorrow". He advocates that the essence of sound is "harmony" and harmony with heaven and earth is the highest realm of music. He believes that emotions are not musical feelings in essence, but human feelings. Ji Kang wrote "The Wind Into the Pine", and it is said that Ji Kang also wrote "Lonely Family Meeting God". There are four piano pieces of Changqing, Short Qing, Long Side and Short Side, which are collectively called "Four Seasons Square" and "Nine Square" together with "Five Chua's Square" in Cai Yong. Yang Di once regarded playing "Nine Farmers" as a condition for his official career.

Second, in calligraphy. Ji Kang is good at calligraphy and cursive works. Its ink is "radiant and delicate in spirit" and is listed as a unique cursive script. Later generations called his calligraphy "like holding a piano and half drunk, sleeping soundly, if birds gather, people will disperse."

Third, in painting. Ji Kang Shan Dan Qing, Zhang Tang Yan Yuan's Record of Famous Paintings of Past Dynasties contains Ji Kang's "Wash Ears and Leave the Nest" and "Lion Strike the Elephant", which have been passed down from generation to generation, but have been lost.

Fourth, in literature. Ji Kang's literary creation mainly includes poetry and prose. There are more than 50 poems today, of which four-character poems account for more than half. Ji Kang's book "Economic History of Sui Shu" records 13 and 15 volumes. The original collection in the Song Dynasty was lost, and only 10 volume was left. The number of volumes in Ming Dynasty is the same as that in Song Dynasty, but the number of articles is reduced. Common Ming editions include San Ji in Jizhong by Wang Shixian (included in Twenty Episodes of Famous Writers in the Han, Wei and Six Dynasties) and San Ji in Jizhong by Zhang Pu (included in 133 Episodes of Famous Writers in the Han, Wei and Six Dynasties). 1924 compilation of Lu Xun, 1938 income "Complete Works of Lu Xun" Volume 9. Ji, proofread by Dai, published by People's Literature Publishing House, 1962. In addition to proofreading and annotation, this book also collects stories and critical materials about Ji Kang.

Fifth, in health care. Ji Kang inherited Lao Zi and Zhuang Zi's idea of keeping in good health, and gained a lot of experience in practice. His health preserving theory is the first comprehensive and systematic health preserving monograph in the history of health preserving in China. Later generations such as Tao Hongjing and Sun Simiao. All of them were learned from his idea of keeping in good health.

Six, Ji Kang (224-263, 223-262), the word uncle night. Han nationality, Qiao Guoluo County (now Suixi County, Anhui Province). Cao Wei was a famous thinker, musician and writer in the Three Kingdoms period. In the early Qing Dynasty and the late Qing Dynasty, Ruan Ji and other bamboo forest celebrities advocated the new trend of metaphysics, and advocated "teaching the more famous teachers, letting nature take its course", "judging the noble and humble, and being sensible". They were spiritual musicians and writers of the "seven sages of bamboo forest". In the early Qing Dynasty and the late Qing Dynasty, Ruan Ji and other bamboo forest celebrities advocated a new style of metaphysics, arguing that "the more celebrities teach, the more nature there will be" and "distinguish between the noble and the humble and be sensible", and were the spiritual leaders of the "seven sages of bamboo forest". Ji Kang is the son-in-law of Cao Wei's imperial clan and married Cao Cao's great-granddaughter Changle Pavilion. He is a doctor from Cao Wei Middle School, and he is called Ji Zhong San. Later, he was framed for offending Zhong Hui and was executed by Si Mazhao at the age of 39.