The article is a summary of characteristic of London retribution decree and Retribution Act No. 33/1945 Col. of Slovak National Council in epoch of post war Czechoslovakia republic. Major problem of this study, taking into account wide scope of this problem doesn't include whole problem of post war retribution, but to focus at certain factors which affected creation and application of retribution decrees within Bohemia and Slovakia, but also difficulties related with people's court activities. The author has tried to point out on injustice of political representatives and judges, which led to punishment not only true war criminals, but too many innocent people, whose only guilt was their patriotism. He thinks that retribution is warning for future to carry out punishment of criminal acts not based on emotions or political interests, but only and solely justice grounds.