The right to death should be the inevitable and unquestionable right of man, as well as all other living beings. It includes the right to refuse any proposed doctor's treatment, then the right to be informed of the state of health and the prospects for life-long life, and the right to decide on the practice of life, in situations where the health condition is incompatible with the quality of that life. Each of these rights lies in a gray zone of determination, is always underdeveloped and very controversial. When it comes to the right to life, as a fundamental human right, there is also an ambiguity and ambiguity. Today, a man often needs help from medical staff to die dignified. The reason why this is so lies in today's culture of death and dying, manipulation of death, manipulation during the time of her arrival, and an attempt to win death or at least put off for a short time. This graduate thesis aims at examining the question of the most important theories about life, its sources, about man as an individual and a member of society, about its meaning from the time of birth or conception to the moment of death and about death as an end or some other beginning the rights of every man to choose a moment of death or a long-term obligation to preserve life as a gift / gift as long as it is alive, even when life is an unhealthy suffering.