本书以中国历史发展进程为主线，将中国分类史概分为上古至春秋战国、秦汉、隋唐五代、宋元、明清这五个时间段，以此来展开中国冤案故事的叙述。(This book takes Chinese history development process as the main line and generally classifies Chinese history as five time periods including ancient times to the Spring and Autumn Period and Warring States Period, Qin Han, Sui Tang and Five Dynasties, Song and Yuan Dynasties and Ming and Qing Dynasties, in order to expand the description of the unjust case stories in China.)