This thesis is focused on the performance of judicial power in Czechoslovakia in the period of 1948 -- 1953, that is characterized by almost unlimited influence of the ruling party, the Communist Party of Czechoslovakia, on the entire society. It was associated with a destruction of division of power in the state and with intentional limitations of the independence of judiciary. The aim of the work is to identify and analyse particular components of a specific mechanism that was introduced to enable to influence the judiciary decisions according to power and political interests of the Communist party of Czechoslovakia through administrative bodies, especially Ministry of Justice. For this purpose fundamental changes of the legislation, personnel and also organizational changes in the judiciary were carried out
