Used to be a textbook of officialese for Korean government officials during the feudal dynasties,Li Wen(Official Documents) collected some official documents that are rarely seen in other books of the kind,which,featured by the great quantity of the then oral-Chinese expressions,are of great historical and linguistic value.

Punishing and warning systems of civilian officials were so important in Ming dynasty that it played a key role in cleaning officials,easing social conflicts,economic development and political stability.