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Organisms are born, grow, reproduce and die throughout their basic life cycle. Homeostasis (maintenance of internal balance) in multicellular organisms in these process is achieved by maintaining the balance between cell proliferation and programmed cell death. Controlled disintegration of aged, completed, or damaged tissues by organism due to various reasons such as the formation of tracheal elements, leaf senescence or resistance to stress factors is realized with the help of programmed cell death (PCD). This process controlled by a variety of environmental factors is also directed by molecularly. Programmed cell death types identified in animals are explained in detail. As well as the types of programmed cell death in plants have not been completely clarified, it has recently collected under two main topics as developmentally related programmed cell death (dPCD) and environmentally induced cell death (ePCD). In this review, the types of programmed cell death in plants are described and explained with their examples. [ABSTRACT FROM AUTHOR]