This paper aims to make a brief analysis of the relevant EU legal acts in matters of international judicial and police cooperation and the effects on the national legislation of Romania. The objective is important as it concerns the European area of ​​freedom, security and justice, protecting citizens being a fundamental objective of the Union. The paper will consider the terms and concepts mostly legal and will focus on the areas of international police and judicial cooperation. The approach used by the authors is, in essence, from a legal perspective, being used research methods like study and observation. The result of research leads to the conclusion that international judicial cooperation in criminal matters is complex, requiring the transposition into national law of a larger number of EU legal acts compared to international police cooperation. The paper may have implications in the activity of institutions wich have atributions în the fields above-mentioned, but can be useful for people interested in the evolution of internal legal documents. Essentially, the work highlights the need for giving up legal national pride for the best possible cooperation of the member States authorities with responsibilities in both areas.