Medical institutions join hands with old-age care institutions to establish a medical alliance, which breaks through the separation of old-age care institutions and hospital resources and can form a win-win situation: old-age care institutions can integrate hospital medical resources and improve their ability to serve the elderly, and hospitals can establish a social public welfare image and expand the influence and coverage of medical services; Providing medical care and a sense of security for the elderly can reduce the mental stress and economic burden of relatives and children, so that they can devote more energy to their studies and work.