The book "Royal Decree and Declaration of the Previous Decrees of Reconciliation" was written by the King of France, Henry IV. In this document, he formulates his important guidelines for reconciliation and reconciliation policy in the country. In particular, attention is paid to the resolution of conflicts, issues of social order and establishing peace among different social groups. The Royal Decree and Declaration of Henry IV is an important historical document that testifies to his efforts to ensure stability and harmony in his country.