According to the definition of the World Health Organization, palliative care - which is a type of complementary medicine - is an approach that improves the quality of life of patients and their families in the face of problems related to threatening diseases such as cancer. The main goal in palliative care is to give meaning to life and dignity to the patient's life until its end, an important part of which is done through the prevention and relief of suffering and mental and spiritual problems. In fact, the most important issue for people suffering from incurable diseases is maintaining peace, reducing stress and providing spiritual health. The purpose of this review article - which was done by examining the verses of the Quran and authentic religious traditions in this field - is to identify and apply the teachings of revelation in the category of palliative medicine. Teachings such as the correct understanding of man, the philosophy of illness and calamities, the virtue of patience over illness, compromise with pain, strengthening the spirit of piety, prayer, supplication and forgiveness, and paying attention to the origin and resurrection are among the categories that can be taught properly to specialists in this field facilitated access to the goals of palliative medicine, including resilience and improving the quality of life of patients and their families.