Group 1: Elderly Care Initiatives - The article discusses the focus on home-based elderly care, particularly for high-risk groups such as elderly individuals living alone [1] - The Beiyuan Village community in Hefei has established a "one household, one file" observation system and introduced a "doorbell plan" to enhance elderly care services [1][3] - The "doorbell plan" includes 82 volunteer "love observers" and 13 "red guardians" who provide daily contact and support based on the elderly's needs [3] Group 2: SOS Emergency Response System - The community has upgraded the "doorbell plan" to include an SOS emergency call card that connects elderly individuals with their children and community service centers [4] - The SOS card allows elderly individuals to contact family members and community services quickly, with a response time of 10 minutes for volunteers to arrive [6] - The system also features an electronic fence that triggers alerts if the elderly person leaves a designated area [6] Group 3: Community Volunteer Services - In Jiangxi Longnan City, the "Nine O'clock Appointment" service was launched to assist elderly individuals, disabled persons, and those living alone [7] - Volunteers visit elderly individuals daily to provide basic care, psychological support, and safety checks [9] - The initiative has expanded its service range and improved the frequency of visits to address the needs of vulnerable populations [7][9] Group 4: Smart Medical Delivery Services - In Dongying City, a smart medical care system has been established to deliver medications to elderly individuals' homes using unmanned delivery vehicles [10] - The delivery vehicles are equipped with temperature-controlled storage to ensure the stability of medications during transport [12] - The system utilizes 5G technology for real-time monitoring of delivery conditions, achieving an average of over 90 deliveries per day [12]