This thesis deals with alternatives to unconditional imprisonment. Since this is a very extensive topic, I have focused only on alternative sentences in the narrower sense of the term, namely conditional conviction, conditional conviction with supervision, house arrest, community service and financial punishment. The aim of this thesis is to analyse the Czech lawful legislation of alternatives to unconditional imprisonment, to compare it with selected French alternative sentences and to propose changes de lege ferenda. The thesis consists of an introduction, five chapters and a conclusion. The first chapter deals with the concept of punishment and its purpose. At the same time, this chapter outlines a general introduction to alternative pun...