A difficult problem that is facing society is the legalization of euthanasia, another word for mercy killing. Euthanasia is a method of causing death painlessly to end suffering. From my point of view, euthanasia should be legalized for two reasons. The first and most important reason to support euthanasia is that patients with terminal diseases have no chance of recovery. They can never lead normal lives and are clearly more dead than alive. Besides, medical costs are very high. Today the cost of a hospital room can be as much as 1,200 baht per day for basic care which does not include the cost of specialized car or the use of special equipment. In brief, because patients with terminal diseases have no chance to recover, they should be allowed to die with dignity by way of euthanasia.