Kite-flying is an ge-old tradition in China. Its history can be traced back to the Spring and Autumn Period(770-476 BC)and the Warring States Period(475-221)when Moxi and Lu Ban,According to Historical Records,made a wooden Kite respectively.Famous Kite-makers of the Qin-Han period(221 BC-AD25)included Han Xin and Zhang Liang.Since then,accounts of Kite-flying can be found in many pre-Tang annals such as the History of Southern Dynasties and the New History of Tang;mostly Kites were used for military purposes,either carrying messages or exerting a deterrent effect of the enemy forces.