Sword image is an important image in Chinese classic poems,which is a symbol to express hero's ambition.Its basic connotation is to express the ambition of poet's desire for gaining achievements and the indignation of their unrecognized talents.The reason for forming such a image is the China's long historic tradition of sword-adorning and admiring;soakaging of knightly culture,worship of secret force of sward and legend of sword's supernature.