With increasing life expectancy and significant advances in medical science, the elderly population is increasing worldwide. The elderly, as one of the most important age groups in any society, face certain challenges, one of which is **fear of death in the elderly** and death anxiety in the elderly. Although these fears are naturally present in most people, they become more intense in the elderly for a variety of reasons, including physical changes, health problems, and aging. In fact, this fear and anxiety can become one of the most important psychological concerns for the elderly and have significant effects on their quality of life and mental health. Although the fear of death is naturally present in all people, death anxiety in the elderly may distract them from their daily activities and cause decreased motivation, depression and isolation. This article deals with a detailed and scientific study of the causes of fear of death in the elderly and its effects on their mental health. Also, we will point out various therapeutic and psychological methods that can help reduce the fear and anxiety of the elderly and provide them with a happier life. If you or your loved ones are facing such problems, this article can provide useful tips to deal with this issue. **Fear of death in the elderly** Fear of death and death anxiety in the elderly is one of the important psychological challenges that is often observed in this age group. This fear, which exists naturally in many people, is intensified in the elderly due to various factors. One of the main reasons for this anxiety is age conditions and physical and health problems that come with aging. In fact, the elderly are more afraid of death than other age groups, because as they age, they see a decrease in physical strength, chronic diseases and physical disabilities, which can cause them more worry and anxiety. In addition, the elderly fear the process of dying, the suffering it causes, and the possibility of being alone after their death. In addition to the person himself, death anxiety in the elderly can also affect the people around him. For example, the children of the elderly, who witness the process of illness and old age of their parents, receive this fear indirectly from them. In addition, doctors and nurses who deal with elderly patients may face similar anxiety. Research shows that the elderly are afraid of death in several aspects; including the fear of body decomposition after death, fear of loneliness, fear of the unknown. Therefore, these anxieties are not only related to death itself but also to its process. However, it must be accepted that death is an inevitable fact and a part of the natural cycle of life. Understanding this issue and being aware of the inevitability of death can help the elderly to better face these anxieties and maintain their quality of life. **Which mode? Fear of death or fear of the process of death?** If they ask you that you have anxiety about death or are afraid of the process of death, what would you answer? According to surveys, it has been determined that the answer to this question is different among the middle-aged and their children. Research shows that the elderly often fear the process of dying, not death itself! This is while some of their children think the opposite and in fact do not properly understand the feelings and thoughts of their middle-aged and old parents. Most of the elderly are worried about having a painful death. But their relatives think that their parents are afraid of dying. In a survey conducted on some elderly people, it has been found that the expression of fear and anxiety of death in the elderly is in cases such as fear of death, thinking about death, listening to others talk about death, fear of having cancer, fear of heart attack, fear of premature passing of time, fear of shortness of life, fear of having a painful death, how to live after death, fear of seeing a dead body, etc. > Suggested article: What is autism disorder? **The cause of fear of death in the elderly** The cause of fear of death in the elderly can be influenced by many factors, and it is not possible to specifically consider a specific case for everyone. Gender, religious beliefs, mental status and age are among the things that are effective in death anxiety in the elderly. in