The International Conference on Aging & Gerontology (ICAG 2021)will be held in Guilin, China, during June 1-3, 2021. ICAG 2021 will cover issues on Aging and Economic Perspectives, Physical Wellness & Healthcare,Sensory Decline,The Immune System and Aging: Immunological Changes,Alzheimer's Disease and Prevention,Declines in Hearing Acuity and Hearing Loss,Emotion Recognition. It dedicates to creating a stage for exchanging the latest research results and sharing the advanced research methods.