Most of the slips bear the chronological records of major events detailed to the day between 26-37 years during the reign of Qin Shi Huang after he unified China.

• 大部分简牍记载的是秦王政统一中国称始皇帝后的秦代，其纪年由二十六年到三十七年，一年不少，记事详细到月、日。