"Like this, first shoot a video of spring at home, then download the editing software, cut out the unused places and keep the needed ones, and then add subtitles and music - don't forget to add '#' to the release, and bring topics, more people will pay attention to it..." Recently, Gu Yuping, a volunteer from Jinpu Community, Mount Taishan Street, Jiangbei New District, Nanjing, Jiangsu Province, walked into the home of 62 year old Xu Mian, and spent an hour, Teach her how to use a smartphone to capture and share short videos. Watching the newly released short video garnered a lot of attention, and young people from distant homes also liked and left messages. Xu Mian was happy like a child, "like opening a window to life!" It is worth mentioning that Xu Mian earned this hour of service on her own. Open the "My Nanjing" app on her phone and click on the "Time Bank" column to clearly see all of Xu Mian's "bank records": on June 23, 2021, the first installment of elderly care voluntary service was deposited for 0.5 hours, and on July 6, the second installment was deposited... As of June 26, 2022, a total of 27 deposits were deposited, totaling 24 hours. Zhou Xinhua, director of the Elderly Care Service Department of Nanjing Civil Affairs Bureau, said that there are 1.703 million middle-aged and elderly people with registered residence in Nanjing, with a high degree of aging. In 2019, Nanjing launched the construction of a municipal level "time bank" for elderly care services based on pilot projects, encouraging and guiding young people to join the elderly care service team as volunteers. At present, Nanjing "Time Bank" has registered 46000 volunteers, served 80000 people, completed 683000 service orders, and stored over 395000 hours. In 2021, Xu Mian lived in Jiangpu Street, Pukou District. One day, staff came to the door to recruit volunteers for the "Time Bank", encouraging "young people to deposit time and elderly people to withdraw services". Xu Mian, who had just retired, thought of the day when everyone needed help. Taking advantage of his current age and the opportunity for "old age makes a difference", he actively signed up to participate and provide services for the elderly around him. Xu Mian told reporters that becoming a "time bank" volunteer is not easy, and it requires several steps, including independent registration, qualification review, online learning, and unified exams. After successful registration, just like the ride hailing platform, the system will send orders to the volunteers nearby, and the volunteers will receive them according to the actual situation. Before and after each volunteer service, you need to "clock in" and the backend will automatically "save" the corresponding time. A relatively common list is to deliver meals, buy vegetables, buy medicine, and accompany elderly empty nesters for medical treatment, "said Xu Mian. Due to her experience in the service industry and management positions, the platform also arranges for some psychological counseling work, such as chatting with the elderly and relieving boredom. In Xu Mian's view, many of this is a simple task. "When you go out to buy a dish, you can easily buy it for your neighbors; when you go to the community's silver haired restaurant, you can bring a dish back for the elderly. These don't take up much time, but you have a unique sense of achievement in your heart." Shi Xiulian, the head of the Nanjing Elderly Care Service "Time Bank" Management Center, introduced that "Time Bank", as an effective supplement to home and community elderly care, is