Introduction: The term Euthanasia has been originated from a Greek word (Eu means good and Thanatosis means death), means intentionally ending a life, hoping to reduce pain. This act also known as “mercy killing”, is practiced giving a good death to hopelessly injured and sick person. History of Euthanasia: The word was first used by Roman historian Suetonius while describing the death of Augustus. In ancient ages there are many evidences of application of euthanasia to relieve patients from extreme pain or illness. It was forbidden in Mesopotamia