Laociyou is the first platform for the exchange of interests between middle-aged and elderly people. According to relevant information, the second child friend APP, also known as the old friend health app. Laociyou is the first interest exchange platform for middle-aged and elderly people. It is an APP application software that provides high-quality interest circle, recreational activities, entertainment, health live broadcast, health content, shopping in health mall, sharing and earning commission for middle-aged and elderly people.