The aim of the article is to analyze the foreign exchange reserves of the European Central Bank and the methods of their modern management. As a result of the study, it was proven that when implementing foreign reserve management policy, the European Central Bank and national central banks should pursue the objectives of the current monetary policy for future generations. Foreign exchange reserves are a special good that only the current generation and the current government cannot use. The character of the article implies different research methods: analysis of the sources of law, legal dogmatic, comparative dogmatic method. The analysis carried out as part of the study indicates that management of foreign exchange reserves of ECB has an impact on intergenerational justice.