Abstract: This thesis aims to identify and deepen the knowledge and understanding of the phenomena loneliness and isolation, and its impact on the quality of life on the elderly. It also identifies the intervention methods that are scientifically proven to alleviate this phenomenon. This thesis will try to answer these questions: 1. What are the causes of loneliness isolation among the elderly? 2. How loneliness can be reduced among the elderly. Literature review is the method used in analyzing this thesis. Already existed scientific data was analyzed using qualitative content analysis. Results shows that loneliness and isolation has negative impact on the well-being on the elderly. Findings on this work have been categorized into four main headings, demographic, social, health and self-reported causes of loneliness. Intervention for alleviating loneliness was grouped under individual and group interventions Findings suggest that, there are different characterristics related to older peoples loneliness. These may include, widowhood, living alone at home or residential homes, poor income, poor subjective health and depression. These factors when seriously considered by elderly care management and nurses may go a long way to identify those at risk and the root cause of their loneliness. This could help identify specific interventions that suits specific individuals suffering loneliness