Background:  Aging is a great stage of development. Today, the population of old people in developed countries is increasing. According to the especial problems that occur during aging, it is necessary to pay more attention to the quality and quantity of life of old people. The more important factor in interaction with old people is ethical considerations.  Also, there are some diseases that they are belonging to aging, like Alzheimer's disease. Therefore, attending to aging and its especial disease is increasing. This study aims to recognize the ethical considerations of aging, especially old people with Alzheimer's disease.

Conclusion: Ethical considerations of interaction and caring patients with Alzheimer's disease are studied into three stages primary stage, middle stage and final stage and three parts caring, therapeutic and research. Since Alzheimer's disease is a progressive and capability of patients declines during stages, necessity of considering ethical considerations during stages is more attended.