The Finnish medical association holds untimely death as the traditional enemy of medicine science, because the starting point of the physician ethics is serving a man honoring the life. Finland's patient law (785/1992) and legislation does not accept euthanasia and according to the law a patient doesn't have the right to demand euthanasia. According to Finnish criminal law ending of the life, a patient is a punishable act, which is classified a crime of killing. The Finnish medical association concerns negatively to initiatives for legalizing of euthanasia. Profession of physicians abstains for operations which primarily intention is hasten the death of a patient. The world medical association advice physicians to abstain assisting of euthanasia, even if it were forbidden according to the law of the country. In America in the state of Oregon and in Europe, Netherland, Belgium and Switzerland have legalized euthanasia. The world is going on all the time more immoral direction. In some phase, euthanasia shall be accepted as the worldwide as many other sinful matters, which first has risen to general conversation and as the conclusion the matter has accepted. Science of medicine should protect the life in every possible way and not kill a patient, even a patient wants it. In science of medicine pain relief is nowadays in a very high level by very effective palliative medicines. Science of medicine develops rabidly and patient who struggles with pain, and sufferings can get aid very soon and even cured completely. God can also heal deadly sick patient, and these kinds of cases are several. Euthanasia is the wrong and sinful decision, because healing can be ahead. We can never know what really happens to a patient, and he can be healed at any time. Euthanasia is sin against God. Many physicians have seen patients whom the Lord Jesus has healed. Whenever there is life left, so there is hope. Euthanasia is ethically wrong and sin before God.