"Warring States Policy" is a national history book. "Warring States Policy" mainly describes the political opinions and diplomatic strategies of the political figures during the Warring States Period, showing the historical characteristics of the Warring States Period and the style of political games among various countries. It is an important classic for studying the history of the Warring States Period. "Warring States Policy" is a compiled historical work with an unknown author. At the end of the Western Han Dynasty, Liu Xiang compiled it according to countries.