His-Shan’s Epithets on Ch’ in Music by Hsu Hong, the end of Ming Dynasty, was a very important treatise on ku-ch’in art in Chinese history of music esthetics. There are 24 esthetical articles of the ku-ch’in art in His-Shan’s Epithets on Ch’in Music, touched upon artistic conceptions and esthetical thoughts. By examining and generalizing 24-eptithets, then the author reveals the significance of harmony among 24 esthetical articles of the ku-ch’in art, and what value the concept of harmony had on His-Shan’s Epithets on Ch’in Music.