Taiwan has a rapid increase of elder population, which is supposed to double within the next 25 years. However, lifelong aesthetics learning for the elderly has not yet been fully developed. In the environment emphasizing on lifelong learning with increasing elder people, it is a crucial mission to design appropriate environment, curriculum, leisure activities for elder people in their later life. Under such premise, this study aims to explore various theories and try to evaluate and elaborate on aesthetics in diverse ways: Kant, Nietzsche and Hegel are the contributors to the theoretical perspectives on aesthetics. With the theories supporting the application of life aesthetics in the lives of seniors, this study finally concludes that aesthetics is crucial for the elderly as it improves life quality, physical, psychological health, social connectedness and continuous learning.