The constitutional history of the German country began in 1871 under Wilhelm I. Since then, five significant events have taken place in the history of the constitution. Kazakhstan is currently discussing its Constitution. The Republic of Kazakhstan is a young state, among the foreign legislation it considers the right one, corresponding to the state. This article presents the Constitution of the Federal Republic of Germany - the Basic Law or "Grundgesetz". It tells about how the constitution has changed in the country of Germany, its history and features. The change in the constitution of the "GRUNDGESETZ" is inextricably linked with the history of the state. Currently, the "basic law" is an example for some countries. But will the law of the Federal Republic of Germany be suitable in the Republic of Kazakhstan? It is openly written that there may be positive, inconsistent sides to this constitution. Therefore, citizens of the Republic of Kazakhstan can consider what practices exist in other countries and what rules can be adopted.