One of the challenges of new issues euthanasia controversial field of medical law which expanded the range of fields including: law, medicine, philosophy, bioethics and medical ethics back. Euthanasia more than anything is a tendency to ethics and morality. There are six types include euthanasia: 1- Voluntary active euthanasia, 2- Voluntary Passive euthanasia, 3- Non- Voluntary active euthanasia, 4- Non-Voluntary Passive euthanasia, 5- Involuntary active euthanasia, 6-Involuntary Passive euthanasia. Voluntary active euthanasia: Deliberate action to make prescription drugs by a doctor to the patient and cause the death of his patient's explicit request and with full knowledge and consent voluntary active euthanasia say. This article intends to describe analytical and statistical methods to enable the voluntary active euthanasia pay reviews this description so far five countries: Netherlands, Belgium, Luxembourg, Oregon and Washington (United States of America) of the violent mercy killing of pity decriminalize have legally done.