Rehabilitation is directing the criminal individual to the lifestyle that includes obeying the law - through treatment, and it is the result of either a planned action that is oriented to the offender and includes the reduction of criminal activity, regardless of the type of achieved changes, as long as it is positive, and that excludes violent ways of gaining such changes. Theoreticaly, the Law on Execution of Prison Sentences is taking care of rehabilitation of convicts already when classifying them, but the reality in practice is much different. The prisoners are not separated in all prisonsby their criminal offenses and thus greatly contributes to making contacts and opinions of such behavior being desirable if a prisoner has a preferences towards status symbols of modern society (money, power, prestige). Also, except allocations by gravity of the crime, under the law of the Republic of Croatia prisoners should have ensured adequate professional and psychological help, which, they say, does not exist, except in Glina and Remetinac as the best Croatian prisons. Re-socialization treatments are scarce and are not available in all prisons, and the prisoners provoked by frustrations that they are not given enough attention are returning to criminal activities again and again ...