Summary: 1. Introduction. The Role of Constitutional Justice in the Constitutional System of the Modern State and Some Methodological Remarks. – 2. Issues of Constitutional Justice Independence in Poland. – 2.1. Position of the Constitutional Tribunal (as a starting point). – 2.2. Changes in the Constitutional Judiciary introduced in 2015 and in the Following Years. – 2.3. Conclusion to Part I. – 3. Crises of Constitutional Justice in Ukraine. – 3.1. Position of the Constitutional Court of Ukraine (short overview). – 3.2. The Crisis Situation of 2020-2021. – 3.3. Conclusion to Part II. –4. Common Features and Different Approaches to Resolving Crisis Situations in Poland and Ukraine. – 5. Conclusions.