¡@¡@The present study investigates the flux and reflux of the Qin Country,Qi Country and Chu Country during the Warring States Period . Marking researches into the ancient books which are Shi Ji ¡]¡m¥v°O¡n¡^, Zhan Guo Ce¡]¡m¾Ô°êµ¦¡n¡^, Shang Jun Shu¡]¡m°Ó§g®Ñ¡n¡^and archaeological materials of the tombs and bamboo slips of Qin Country in Shui Hu Di¡]¡mºÎªê¦a¯³¹Ó¦Ë²¡n¡^,Zhan Guo Zong Heng Jia Shu¡]¡m¾Ô°êÁa¾î®a®Ñ¡n¡^. The study consists of five chapters . ¡@¡@Chapter One , Introduction , presents the motivation and purpose , research materials and methods , and ths present study.of Qin Country Empire . ¡@¡@Chapter Two consists of three parts. The first part introduce the changes of society during the Spring and Autumn States Period . The second part discuss about the topics of the polity , finance , social values , military affairs ,and the international position . The Qin Country establish the concept which were agriculture and military affairs after the innovation by Shang Yang . The Qin Country grow fase through the efficient administration and strong enough to attack other countries . The third part is a conclusion of the innovation from the Qin Country , Qi Country and Chu Country . ¡@¡@Chapter Three consists of three parts. Making good use of human resources to break obstacles to the diplomacy is the main ideas of the chapter . First part discusses opportunist have two features on valuing timing and vicissitudes . Part two reveals The Qin Country have more talents than Qi Country and Chu Country and let them show slick strategy of diplomacy . Part three discusses means of diplomacy which are analyzed and inducted to Nine Types of Intervening in enemy state heirdom , Setting a prime minister in enemy state , Using means of bribery , Hostage , Connecting by marriage , Territory , Holding Audiences , Holding Conferences , Testing the water temperature . The Qin Country could make good uses of the diplomatic skills and adjust to changing circumstance quickly . ¡@¡@Chapter Four combining three parts investigate the concept of ability in the united wars . ¡@¡@Chapter Five ¡V Conclusion , according to several chapters represents the study construction of the win-lost various factors and gives the results of the study. ¡@¡@Key words¡GThe Warring States Period , Qin Country , Qi Country , Chu Country , innovation , diplomacy