This article focus to analysis and discuss on Theories of Punishment. Modifications in American politics have caused shifts in the theoretical purposes of sentencing. In the heyday of liberalism in the 1960s and 1970s, judicial and executive offices wielded power in sentencing. Legislators designed sentencing laws with rehabilitation at heart. More recently, during your politically conservative 1980s and also 1990s, legislators seized electric power over sentencing, and a combination of theories they are: deterrence, retribution, and incapacitation—have inspired sentencing laws.