In this article, the national and international norms that regulate trade union freedom in Italy are analyzed, among which we list: the Italian Constitution, the Conventions of the International Labor Organization no. 87/1948 and no. 98/1949, both ratified in Italy by Law no. 367 of March 23, 1958, etc. At the same time, the ownership of freedom of association and the „trade union” nature of the protected organization were also taken i...