The importance of a personalistic approach to understanding suffering lies precisely in the thinking of man as a person, that is, in a comprehensive thinking understanding of a man from whose life suffering cannot be excluded. Christian localization of personalism of Emmanuel Mounier and John Paul II. appears as a solid foundation of serious anthropological understanding on suffering. The paper presents the personalist thought of E. Mounier and John Paul II. on suffering. In the first part we show the basic personalist strongholds of E. Mounier, we see that in the elaboration of his philosophical thoughts Mounier moves between the concrete and the existential. Through Mounier's correspondence with those close to him, we have come to the realization that we become more aware of God when difficulties arise in a particular human life, and thus we become more needy. We base Mounier's view of suffering on the pages selected from the Letters and Diary of Emmanuel Mounier, very famous works that are a true treasure trove of information about the generation of French intellectuals who originated the philosophy of so-called personalism. Second part in dedicated to thought of John Paul II. about the suffering. At the center of our interest is his apostolic letter Salvifici doloris addressed to bishops, priests, religious communities, and all believers in the Catholic Church on the Christian meaning of human suffering. This apostolic letter shows us that the answer to human suffering is to be sought in Christ's torment, death, and resurrection. Through the image of righteous Job, John Paul II. indicated to us that suffering should not be seen as a punishment for sin, but as an opportunity for self-commitment. Suffering is transformed in Christ, it is wrapped in love, the kind of love that is able to "bring" good out of all evil and give our suffering its purpose. Through our work we have endeavored to demonstrate the importance of understanding correctly the suffering and understanding of man's small role in the suffering of Christ.