东北候鸟与海南县城的冬季共生，一个救活经济，一个延长寿命

Core Viewpoint - The article discusses the annual migration of elderly people from Northeast China to Hainan, highlighting the mutual benefits between the elderly and the local economy in Hainan, creating a "migrant economy" that supports both parties [4][62]. Group 1: Migration Patterns - The migration of elderly individuals from Northeast China to Hainan is a significant annual event, particularly after the National Day holiday in October, marking the start of the flying season for these "migratory birds" [5][12]. - The elderly often face health concerns and harsh winter conditions in Northeast China, prompting them to seek warmer climates for better living conditions during winter [28][30]. - The elderly population in Northeast China is aging rapidly, with significant percentages of individuals over 65, leading to increased demand for suitable winter living environments [25][26]. Group 2: Economic Impact - The influx of elderly migrants has stimulated local economies in Hainan, particularly in areas surrounding Sanya, where demand for services such as transportation and housing has surged [45][49]. - The seasonal migration has led to the establishment of a "migrant economy," where local businesses cater to the needs of the elderly, including transportation services and food products that align with their dietary preferences [50][52]. - Real estate dynamics have shifted, with many elderly opting to rent rather than buy properties due to market fluctuations and economic uncertainties, impacting local housing markets [64][66]. Group 3: Health and Lifestyle - The warmer climate in Hainan has immediate positive effects on the health of elderly migrants, alleviating various health issues associated with cold weather [30][31]. - The article emphasizes the importance of health and comfort in the later years of life, with many elderly individuals prioritizing their well-being over financial considerations when choosing their winter residences [34][38]. - The lifestyle changes brought about by migration not only improve physical health but also enhance the overall quality of life for the elderly, contributing to a sense of community among migrants [40][77].