The article considers the problem of death and the belief in the "immortality" of man in Islam from the standpoint of existential philosophy. An existential ontological analysis of the Islamic faith reveals the essence of the belief in the being continuation of the human soul and mind after the death of the body. Keywords: existence, being, present being, existentialization of being, essential-being law, " Straight Path "("Siraat al-Mustaqiim"), unified concept of soul and consciousness" Nafs", postmortal essential being. According to the Islamic faith, the meaning of human existence as a meaningful existentialization of a God-given " present existence "into a concrete life can be known only if a person has a clear understanding of what will happen after the end of his existence, whether a person will have a" being "after the death of the body, and what this"being" will be. The Holy Qur'an helps a person realize the meaning of their life through understanding the ontological foundations of their life. According to the teachings of Islam, the Lord ordered His command (Kip) to appear physically to a person in life, predetermined in what body, where and when he would be born, gave him instructions (having sent down the holy scriptures through the prophets and through the Prophet Muhammad-the Holy Koran), how to live this life righteously. The Creator also determined the time of the end of human existence. The end of individual existence ("existence") of a person, but not of continuous existence ("present existence") as a part of the integral present beingness of the entire Universe. The Holy Qur'an says: "We created you. Why don't you accept the resurrection? Have you seen the seed that you are spewing? Are you creating it or are We creating it? We have distributed death among you, and nothing can stop Us from replacing you with others like you (or changing your appearance) and creating you in ways you can't imagine. You already know about the first creation. Why don't ... Read more