The film is based on real story! !This paper describes a retired doctor named Jack Kevorkian. He tried his best to legalize euthanasia in the United States and helped at least 130 patients to carry out euthanasia, which caused a controversial story in the society at that time.Jack firmly believes that the duty of doctors is not only to do their best to treat patients, but also to put themselves in the interests of patients and meet their needs, including their desire for death. So Jack tried to euthanize people who lost hope in life. But a few of Christian people and judges opposed his approach.